ClassID:

29435

B01D46/0005 - page 6 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Casings; Housings; Frame constructions Mounting of filtering elements within casings, housings or frames

Recent Application in this class:
#1501
20150027093
2015-01-29

Air cleaner assembly; components therefor; and, methods

#1502
20150027092
2015-01-29

Support tube for a filter element

#1503
20150027091
2015-01-29

Fiber Reinforced Polymer (FRP) Structural Media Support for Odor Control Tank System

#1504
20150020489
2015-01-22

Method for producing a filter element provided with a sealing part

#1505
20150020488
2015-01-22

Filter element with features to improve pre-cleaning performance, sealing, and structural support

#1506
20150020486
2015-01-22

FILTER HOUSING AND AIR FILTER UNIT FOR A COMBUSTION ENGINE

#1507
20150013624
2015-01-15

Engine crankcase breather with mesh filter

#1508
20150013542
2015-01-15

Air filter element and air filter

#1509
20150013294
2015-01-15

Air filter and filter element of an air filter

#1510
20150013293
2015-01-15

Air filter element

#1511
20150013291
2015-01-15

Filter element with retaining surfaces, filter with a filter element and filter housing of a filter

#1512
20150013287
2015-01-15

Filter frame

#1513
20150013281
2015-01-15

Air filter element, filter housing and filter arrangement

#1514
20150007537
2015-01-08

Flat filter element, filter housing and air filter

#1515
20150007536
2015-01-08

Flat filter element and air filter

#1516
20150007535
2015-01-08

Air filter element and air filter

#1517
20140373495
2014-12-25

Air filter, filter element and filter housing of an air filter

#1518
20140373494
2014-12-25

Air filter and inlet tube assembly

#1519
20140373493
2014-12-25

Attachable air filter for an air vent register

#1520
20140366496
2014-12-18

Filters, mounts and methods of mounting filters

#1521
20140360371
2014-12-11

Portable Dust Collector

#1522
20140360144
2014-12-11

Filter arrangements; housings; assemblies; and, methods

#1523
20140353234
2014-12-04

Filter housing with locking form-fit elements and spring loading a filter element in the housing

#1524
20140352539
2014-12-04

Oil mist separator for a crankcase ventilation for separating particles and corresponding method

#1525
20140341725
2014-11-20

Filter mounts for a portable fan and methods for mounting a filter to a portable fan

#1526
20140338295
2014-11-20

Separating element for separating liquids from a gas flow

#1527
20140338294
2014-11-20

Filter element having sealing members and methods

#1528
20140332099
2014-11-13

Filtering device suitable for being coupled to a suction turbine for sucking up excrement and vacuum cleaner including said filtering device

#1529
20140331627
2014-11-13

Filter element and method for producing a filter element

#1530
20140325947
2014-11-06

Filter elements; air cleaner; assembly; and, methods

#1531
20140325945
2014-11-06

Air cleaner replaceable filter cartridges; and, methods

#1532
20140318092
2014-10-30

Air filter element with retaining geometry

#1533
20140318091
2014-10-30

Air filter element with retaining geometry

#1534
20140318090
2014-10-30

Air filter element having a specific retaining geometry

#1535
20140311110
2014-10-23

Filter element

#1536
20140311109
2014-10-23

PUSH LOCK DIFFERENTIAL PRESSURE SENSOR

#1537
20140311108
2014-10-23

Air filter arrangement

#1538
20140293240
2014-10-02

Air filter including a holding frame formed of a resilient material and projector

#1539
20140284886
2014-09-25

Filter cartridge with seal member and methods

#1540
20140283331
2014-09-25

Separator, separating device with such a separator, and vacuum cleaner, especially wet vacuum cleaner, with such a separator or such a separating device

#1541
20140260144
2014-09-18

Air filter

#1542
20140260141
2014-09-18

Filter element and method for production thereof

#1543
20140260139
2014-09-18

Rectangular stacked fluted filter cartridge

#1544
20140250845
2014-09-11

Filter assembly

#1545
20140250843
2014-09-11

Side Entry Filter

#1546
20140245710
2014-09-04

Tool-less auto-aligning filter retention system

#1547
20140245706
2014-09-04

Tool-less auto-aligning filter retention system

#1548
20140245705
2014-09-04

Aerosol separator assembly; components; and, methods

#1549
20140237967
2014-08-28

Collapsible extended surface filter and air cleaner system using collapsible extended surface filter

#1550
20140237966
2014-08-28

Gas turbine inlet filter with replaceable media cartridges

#1551
20140237959
2014-08-28

Air filter arrangements; assemblies; and, methods

#1552
20140237958
2014-08-28

Air filter with balanced seal

#1553
20140230384
2014-08-21

Manifold element for a filtering cartridge

#1554
20140224129
2014-08-14

Filter element

#1555
20140223874
2014-08-14

Air filter element

#1556
20140223870
2014-08-14

Filter element

#1557
20140223868
2014-08-14

Air filter element

#1558
20140215981
2014-08-07

Air passage device

#1559
20140190356
2014-07-10

Silica reduction cover

#1560
20140190138
2014-07-10

FILTER ASSEMBLY

#1561
20140182254
2014-07-03

FILTER DEVICE AND FILTRATION SYSTEM COMPRISED THEREOF

#1562
20140174046
2014-06-26

Filter element

#1563
20140169939
2014-06-19

Air filter attachment for side channel compressor

#1564
20140165834
2014-06-19

Air filter system, air filter element and method for exchanging an air filter element

#1565
20140165518
2014-06-19

Air cleaner

#1566
20140157738
2014-06-12

Filter insert, and filter comprising a filter insert and a housing

#1567
20140157735
2014-06-12

Apparatus, methods and systems for removing particulate impurities from above a shale shaker

#1568
20140150658
2014-06-05

HVAC filtration system

#1569
20140150388
2014-06-05

Filtering unit and relative filtering cartridge

#1570
20140144320
2014-05-29

Cartridge filter dimensional compensator

#1571
20140144112
2014-05-29

Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinations

#1572
20140137524
2014-05-22

Reverse V-cell or minipleat filter with pleat pack mechanically sealed

#1573
20140137523
2014-05-22

Inertial filter

#1574
20140131539
2014-05-15

Filter holding frame with adjustable clamping mechanism and slot for pre-filter

#1575
20140130468
2014-05-15

Filter assembly, and pre-filter device and pre-filter mounting plate therefor

#1576
20140116015
2014-05-01

Interface air filter and assembly

#1577
20140109534
2014-04-24

Air filter with tensile support member

#1578
20140102060
2014-04-17

Air filter cartridges, components thereof; and, air cleaner assemblies

#1579
20140102059
2014-04-17

Air filter arrangement; assembly; and, methods

#1580
20140102058
2014-04-17

Air filter system, air filter element and method for exchanging an air filter element

#1581
20140102057
2014-04-17

Air filter having fluted filter media

#1582
20140096496
2014-04-10

Filter cartridge, dust collectors, and methods

#1583
20140096493
2014-04-10

V-panel filters

#1584
20140090344
2014-04-03

Flat filter element of a filter, filter and support device of a filter

#1585
20140083299
2014-03-27

Filter apparatus

#1586
20140047807
2014-02-20

Filter for a fluid-conducting pipe

#1587
20140047805
2014-02-20

Filter mounts for a portable fan and methods for mounting a filter to a portable fan

#1588
20140033666
2014-02-06

Filtering device, in particular air filter

#1589
20140013948
2014-01-16

Structural reinforcements for filter assemblies

#1590
20140013720
2014-01-16

DUST FILTER MOUNTING APPARATUS

#1591
20130340399
2013-12-26

Filter device having an annular filter element

#1592
20130318936
2013-12-05

Box filter with orientation device

#1593
20130312379
2013-11-28

Air filter arrangement

#1594
20130305926
2013-11-21

Filter systems with dirty air chamber spacer elements and methods of using the same

#1595
20130305670
2013-11-21

Air filtration unit

#1596
20130298512
2013-11-14

Low profile frame for a filter incorporating a negative pressure check mechanism

#1597
20130298511
2013-11-14

Filter cartridge; components thereof; and methods

#1598
20130291504
2013-11-07

Holding frame assembly and flexible retainers for same

#1599
20130291503
2013-11-07

Filter device

#1600
20130291502
2013-11-07

Filter holding frame with filter gasket

#1601
20130269531
2013-10-17

Membrane-free filter and/or integral framing for filter

#1602
20130263744
2013-10-10

Filter assemblies; components and features thereof; and, methods of use and assembly

#1603
20130255210
2013-10-03

Retaining seal material and exhaust gas purifying apparatus

#1604
20130255209
2013-10-03

Holding seal material, exhaust gas purifying apparatus and method of manufacturing holding seal material

#1605
20130255208
2013-10-03

Quick engagement method for gas turbine inlet filter installation and replacement

#1606
20130255207
2013-10-03

Honeycomb structure and manufacturing method of the same

#1607
20130247764
2013-09-26

Inlet device for gravity separator

#1608
20130247525
2013-09-26

Honeycomb structure and manufacturing method of honeycomb structure

#1609
20130239531
2013-09-19

AIR CLEANER

#1610
20130239530
2013-09-19

Air filter arrangement; assembly; and, methods

#1611
20130239529
2013-09-19

Air filter cartridge and air cleaner assembly

#1612
20130239528
2013-09-19

Air cleaner replaceable filter cartridges; and, methods

#1613
20130232934
2013-09-12

Air cleaner assemblies with filter element and method for installing the filter element

#1614
20130232932
2013-09-12

Pre-filter or coalescer mounted on pulse cartridge tripod

#1615
20130232929
2013-09-12

Crankcase ventilation filter arrangments; components; and, methods

#1616
20130228078
2013-09-05

HVAC register filter and method of using the same

#1617
20130219844
2013-08-29

Method of adhering a pleated filtration media and filter and media filter stack using same

#1618
20130212992
2013-08-22

Filter assembly with housing structure

#1619
20130205732
2013-08-15

Collapsible pleated filter and frame

#1620
20130199140
2013-08-08

System and method for coupling and sealing filters

#1621
20130186049
2013-07-25

Filter device and method for separating paint overspray

#1622
20130180222
2013-07-18

Dust removal device

#1623
20130180221
2013-07-18

Filter module

#1624
20130174526
2013-07-11

Construction machine

#1625
20130167493
2013-07-04

V-bank filter assembly with replaceable filters

#1626
20130160410
2013-06-27

Air filter mounting/demounting apparatus for over-the-range microwave oven

#1627
20130152528
2013-06-20

Filter insert

#1628
20130152527
2013-06-20

Filter arrangement, in particular air filter arrangement

#1629
20130152526
2013-06-20

Filter insert and filter device

#1630
20130125520
2013-05-23

Holding frame

#1631
20130111858
2013-05-09

Filter arrangements; housing; assemblies; and, methods

#1632
20130097979
2013-04-25

Filter clamping system

#1633
20130091811
2013-04-18

Air filter with balanced seal

#1634
20130074463
2013-03-28

Header frame design for filter element

#1635
20130067875
2013-03-21

Filter unit for a switchgear cabinet

#1636
20130067872
2013-03-21

Device for the purification of particle-laden gases

#1637
20130036718
2013-02-14

Air filter arrangement; assembly; and, methods

#1638
20130025454
2013-01-31

Versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner

#1639
20130014479
2013-01-17

Systems, Methods, and Apparatus for Providing Filtration

#1640
20130014478
2013-01-17

Systems, methods, and apparatus for providing filtration

#1641
20130008844
2013-01-10

Fluid filter

#1642
20130000489
2013-01-03

System, method and devices for air filtration

#1643
20120324845
2012-12-27

FILTER ASSEMBLY FOR USE IN A BAGHOUSE

#1644
20120324844
2012-12-27

FILTER ASSEMBLY FOR USE IN A BAGHOUSE

#1645
20120318144
2012-12-20

Filter frame housing and filter for animal confinement building

#1646
20120317943
2012-12-20

Filter element and housing for a filter element

#1647
20120317941
2012-12-20

Filter system using plastic frames along structural wall of animal confinement building

#1648
20120317940
2012-12-20

Non V-bank filter for animal confinement facility

#1649
20120317939
2012-12-20

Air filter element, filter housing and filter arrangement

#1650
20120311978
2012-12-13

Collapsible and/or assembled filter housing and filter used therewith

#1651
20120304860
2012-12-06

Dust screen and method for dry bulk storage units

#1652
20120304607
2012-12-06

Air cleaner for motor vehicles operating in extreme weather conditions

#1653
20120304604
2012-12-06

Building air filtration system

#1654
20120297599
2012-11-29

Replaceable filter media and holding mechanism

#1655
20120291409
2012-11-22

System and method for securing gas turbine air filters

#1656
20120291406
2012-11-22

V-bank air filtration system such as for animal confinement

#1657
20120272633
2012-11-01

Air cleaner; replaceable filter cartridges; and, methods

#1658
20120272627
2012-11-01

Air filter having fluted filter media

#1659
20120266577
2012-10-25

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#1660
20120255267
2012-10-11

Filter unit for an extractor hood

#1661
20120246907
2012-10-04

Canister air filter and method for fabricating the same

#1662
20120240772
2012-09-27

AIR TREATMENT DEVICE

#1663
20120240535
2012-09-27

FILTER RETAINING APPARATUS

#1664
20120227367
2012-09-13

Filter element with pleat support combs

#1665
20120222261
2012-09-06

Vacuum cleaner

#1666
20120216495
2012-08-30

Removable external filter for servo air actuated valves

#1667
20120212250
2012-08-23

Semiconductor element testing system having air filter

#1668
20120204523
2012-08-16

Filter holding frame with adjustable clamping mechanism and slot for pre-filter

#1669
20120198802
2012-08-09

Filter device and main filter element for a filter device

#1670
20120192535
2012-08-02

Vehicle air cleaner housing

#1671
20120186208
2012-07-26

Air filtration device for compressor

#1672
20120186207
2012-07-26

Air cleaner device

#1673
20120180667
2012-07-19

Illuminating filter for particle controlled environments

#1674
20120180443
2012-07-19

Air cleaner arrangements; serviceable filter elements; and, methods

#1675
20120160105
2012-06-28

Structural reinforcements for filter assemblies

#1676
20120159913
2012-06-28

Filter lock and seal system

#1677
20120159910
2012-06-28

Non-cylinderical filter elements; and, methods

#1678
20120148399
2012-06-14

Filter mounts for a portable fan and methods for mounting a filter to a portable fan

#1679
20120145005
2012-06-14

NEW PANEL FILTER AUGMENTATION TECHNIQUE FOR PARTICULATE CAPTURE GAINS

#1680
20120145003
2012-06-14

Energy recuperating filtration apparatus

#1681
20120128510
2012-05-24

Fluid filter, in particular for petrochemical plant gas

#1682
20120124950
2012-05-24

Systems and methods for air intake filter assemblies

#1683
20120124947
2012-05-24

Air cleaner, components thereof, and methods

#1684
20120117931
2012-05-17

Collapsible extended surface filter and air cleaner system using collapsible extended surface filter

#1685
20120110964
2012-05-10

Air cleaner assemblies and vehicles including same

#1686
20120110962
2012-05-10

Air cleaner, components thereof, and methods

#1687
20120103482
2012-05-03

Condensor coil wind guard and method of assembly

#1688
20120090286
2012-04-19

FILTER ELEMENT

#1689
20120090285
2012-04-19

Particle collection device

#1690
20120079798
2012-04-05

Filter structure for removing contaminants from stream of fluid

#1691
20120067017
2012-03-22

Air cleaner arrangements; components; and, methods

#1692
20120067014
2012-03-22

Filter element with features to improve pre-cleaning performance, sealing, and structural support

#1693
20120061311
2012-03-15

METHOD FOR PRODUCING AN IN PARTICULAR FLAT FILTER ELEMENT

#1694
20120060695
2012-03-15

AIR SUPPLY VENT FILTER FOR AIR CONDITIONING SYSTEMS

#1695
20120060455
2012-03-15

Sealed edge frame

#1696
20120060454
2012-03-15

Cam-type locking device for retaining static filter panels in a filter holding frame

#1697
20120060453
2012-03-15

Air cleaner with endcap cover

#1698
20120060451
2012-03-15

Air cleaner arrangement; assembly; and, methods

#1699
20120055341
2012-03-08

System and method for cleaning coal-burning power plant exhaust gases

#1700
20120047855
2012-03-01

Filter pocket arrangement with increased filter media area

#1701
20120042616
2012-02-23

Air cleaner arrangement; serviceable filter cartridge; and, methods

#1702
20120031060
2012-02-09

Air cleaner arrangements; components; and, methods

#1703
20120031058
2012-02-09

Filter arrangements; housings; assemblies; and, methods

#1704
20120023877
2012-02-02

Air filter arrangement; assembly; and, methods

#1705
20120020773
2012-01-26

Filter cassette, filter arrangement, and gas turbine with such filter cassette

#1706
20120017552
2012-01-26

Removable external filter for servo air actuated valves

#1707
20120011815
2012-01-19

Filter element; components thereof; and methods

#1708
20110315018
2011-12-29

Liquid separator

#1709
20110311377
2011-12-22

COMPRESSOR INTAKE SYSTEM

#1710
20110308214
2011-12-22

Filter device for filtering gaseous fluids

#1711
20110308210
2011-12-22

V-bank air filtration system such as for animal confinement

#1712
20110308209
2011-12-22

Air filter and air filter system

#1713
20110308208
2011-12-22

Pre-Filter Particulate Collection Member

#1714
20110302890
2011-12-15

Liquid separator, particularly oil separator for compressed air systems

#1715
20110296806
2011-12-08

Filter elements; air cleaner; assembly; and, methods

#1716
20110296665
2011-12-08

Air filter having fluted filter media

#1717
20110277430
2011-11-17

Filter media pleat pack retention

#1718
20110265437
2011-11-03

Filter element having sealing members and methods

#1719
20110259199
2011-10-27

Intake air filter for internal combustion engines

#1720
20110258975
2011-10-27

Aerosol separator assembly; components; and methods

#1721
20110252759
2011-10-20

FILTER

#1722
20110239861
2011-10-06

Energy recuperating filtration apparatus

#1723
20110232983
2011-09-29

Air cleaner device

#1724
20110226406
2011-09-22

Filter frame attachment and fluted filter having same

#1725
20110225939
2011-09-22

Clean screen air filtration system

#1726
20110219953
2011-09-15

Air filtration system with quick connect

#1727
20110197766
2011-08-18

Building air filtration system

#1728
20110197556
2011-08-18

FILTER ELEMENT

#1729
20110192126
2011-08-11

Filter arrangement

#1730
20110185689
2011-08-04

Filter element, dust collector, and methods

#1731
20110173956
2011-07-21

PARTICLE TRAP FOR AN EXHAUST GAS RECIRCULATION LINE AND AUTOMOBILE HAVING A PARTICLE TRAP

#1732
20110173937
2011-07-21

Air cleaner assembly; components therefor; and, methods

#1733
20110154789
2011-06-30

Method of making a marine gas turbine filter

#1734
20110146274
2011-06-23

METHOD AND SYSTEM FOR REGENERATING PARTICULATE FILTER

#1735
20110138761
2011-06-16

Filter unit

#1736
20110126500
2011-06-02

Filter mounts for a portable fan and methods for mounting a filter to a portable fan

#1737
20110113755
2011-05-19

Filter device for filtering automobile exhaust gas

#1738
20110099960
2011-05-05

Filter Insert and Filter Device

#1739
20110083559
2011-04-14

Filter cartridge with seal member and methods

#1740
20110083409
2011-04-14

Filter assembly with housing structure

#1741
20110083408
2011-04-14

Filter cartridge, dust collectors, and methods

#1742
20110083150
2011-04-07

Apparatus and method for controlling display of EPG information

#1743
20110078985
2011-04-07

Filter cartridge with centerboard, dust collectors, and methods

#1744
20110061352
2011-03-17

FILTER ARRANGEMENT WITH LATCHING V FLAPS

#1745
20110049035
2011-03-03

FILTER ASSEMBLY

#1746
20110023813
2011-02-03

Air cleaner for motor vehicles operating in extreme weather conditions

#1747
20110023427
2011-02-03

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#1748
20110005397
2011-01-13

Filter unit for the filtration of gaseous fluids, in particular air filter in internal combustion engines

#1749
20100326024
2010-12-30

Filter element support assembly, quick installation system, and methods

#1750
20100313760
2010-12-16

Membrane-free filter and/or integral framing for filter

#1751
20100313757
2010-12-16

Air cooling system incorporating membrane-free filter and/or integral framing for filter

#1752
20100313532
2010-12-16

Filter

#1753
20100288662
2010-11-18

Protective device for an air filter, in particular of a generating set, comprising portions to assemble radially on the filter

#1754
20100288128
2010-11-18

Filter cassette magazine and apparatus for sequentially gathering fine particles using the same

#1755
20100269461
2010-10-28

Filter element arrangement and portable air cleaner incorporating same

#1756
20100263542
2010-10-21

FRAME FLANGE ATTACHABLE TO A FILTER CARTRIDGE TO FORM A FILTER ASSEMBLY

#1757
20100263344
2010-10-21

Filter element arrangement and end cap interface feature

#1758
20100263337
2010-10-21

Filter cartridge; components thereof; and methods

#1759
20100251893
2010-10-07

HVAC Register Filter and Method of Using the Same

#1760
20100251681
2010-10-07

Filter assembly and mounting flange extension for gas turbine filter assembly

#1761
20100251680
2010-10-07

Filter unit panel and method of manufacturing the same

#1762
20100251675
2010-10-07

Snapband filter design for horizontal bottom access collector

#1763
20100242450
2010-09-30

Exhaust gas-treating device

#1764
20100242423
2010-09-30

Canister air filter and method for fabricating the same

#1765
20100237155
2010-09-23

Aircraft cabin temperature sensor filter

#1766
20100236204
2010-09-23

Filter element with pleat support combs

#1767
20100236203
2010-09-23

Filter unit panel

#1768
20100229514
2010-09-16

Filter retainer for turbine engine

#1769
20100227545
2010-09-09

Air vent outlet cover and filter

#1770
20100218468
2010-09-02

Hanging air filter

#1771
20100212271
2010-08-26

Filter element, air cleaner, and methods

#1772
20100199620
2010-08-12

Filter arrangement for an air intake system

#1773
20100192530
2010-08-05

Fluted filter apparatus

#1774
20100192528
2010-08-05

Filter retention system

#1775
20100186358
2010-07-29

Filter element having sealing members and methods

#1776
20100170209
2010-07-08

Air filter arrangement; assembly; and, methods

#1777
20100162672
2010-07-01

Filter bag for use in dust collector

#1778
20100162671
2010-07-01

Purification assemblies and methods of assembling purification assemblies

#1779
20100154368
2010-06-24

Filter with a filter housing

#1780
20100151187
2010-06-17

Honeycomb structure

#1781
20100147153
2010-06-17

Air/oil separator

#1782
20100146920
2010-06-17

Air cleaner; air filter cartridge and method of manufacturing

#1783
20100146919
2010-06-17

Air filter arrangement; air cleaner assembly; and methods

#1784
20100146917
2010-06-17

Air cleaner, replaceable filter cartridges, and methods

#1785
20100139629
2010-06-10

Air cleaner arrangements; serviceable filter elements; and, methods

#1786
20100132321
2010-06-03

Filter arrangements; side-entry housings; and methods

#1787
20100126128
2010-05-27

RIGID CELL FILTER ASSEMBLY

#1788
20100116350
2010-05-13

Self-centering filters, coalescers and separators

#1789
20100115898
2010-05-13

Filter mounts for a portable fan and methods for mounting a filter to a portable fan

#1790
20100107580
2010-05-06

Filter device, especially air filter

#1791
20100107577
2010-05-06

Filter elements; air cleaner; assembly; and, methods

#1792
20100096315
2010-04-22

FLUID FILTER WITH A FILTER ELEMENT WHICH CAN BE INSERTED INTO A FILTER HOUSING

#1793
20100095843
2010-04-22

Air pollution control filter elements for filtration systems

#1794
20100095642
2010-04-22

Air filter having fluted filter media

#1795
20100083646
2010-04-08

Decoupling element

#1796
20100064646
2010-03-18

Elliptical seal interface for filter assembly

#1797
20100058724
2010-03-11

AIR CLEANING APPARATUS FOR CEILING

#1798
20100058723
2010-03-11

Adapter for a compressed air filter and use of the same

#1799
20100051537
2010-03-04

Filter Element with Glued-On Terminal Disk

#1800
20100050581
2010-03-04

FOLDING FRAME FILTER