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Cube and Pocket Filters

Medium Efficiency Extended Surface Cartridge Filter.

 Duo Cap Koch Filter
Koch Duo-Cap Cartridge Filters are constructed with a progressive, dense synthetic media, and is also available with microfiber glass upon request. This graded density construction ensures low resistance to airflow, high dust holding capacity and prolonged filter lifecycles. Duo-Cap is designed to fit Cambridge Filter Corporation Hi-Cap and SideCap* frame systems without any modifications to the existing framework.

Features

  • MERV 8 performance rating
    (ASHRAE Test Standard 52.2-2012)
  • Superior dust holding capacity
  • Extended filter lifecycles
  • Low initial pressure drop
ModelNominal SizeCapacity CFMInitial Pressure DropMedia Area
KDC 75012x24x97500.156
KDC 80016x20x98000.157.5
KDC 105016x25x910500.157.5
KDC 100020x20x910000.159
KDC 120020x24x912000.159
KDC 122520x25x912000.159
KDC 150024x24x915000.1512
KDC 125012x24x1512500.2510
KDC 140016x20x1514000.2511
KDC 180016x25x1518000.2512.5
KDC 175020x20x1517500.2512.5
KDC 200020x24x1520000.2515
KDC 205020x25x1520000.2515
KDC 250024x24x1525000.2520

Extended Surface Synthetic Media Air Filters.

 Duo Cube Koch Filter
Medium efficiency extended surface filters are constructed out of 100% synthetic fibers to meet the requirements found in various air handling systems. Duo-Cubes are offered in four media types: 1 Ply, 2 Ply, 3 Ply and 4 Ply. All options are engineered to provide an excellent combination of efficiency and extended filter life cycles, and are available in Standard style (without an internal wire frame, for use in existing cube-type baskets without modification to equipment) and in Self-Seal style (with an internal wire frame designed to fit standard holding frames without clips or fasteners, and eliminate air bypass).

Features

1 Ply Duo-Cube

  • Single density 1 ply media with scrim backing provides durability and rigidity.
  • An economical alternative designed for low resistance.
  • Constructed with 100% synthetic media to resist high moisture conditions.
  • Superior dust holding capacity provides long filter life.
  • MERV 6 performance rating (ASHRAE Test Standard 52.2-2012)

2 Ply Duo-Cube

  • A dual ply, gradient density media improves efficiency for critical applications
  • Available in dry or tackified versions, adaptable to most uses.
  • Constructed with 100% synthetic media to resist high moisture conditions.
  • Superior dust holding capacity and high efficiency in an energy efficient design.
  • Self-Seal model eliminates air bypass and requires no clips or fasteners.
  • MERV 7 performance rating (ASHRAE Test Standard 52.2-2007).

3 Ply Duo-Cube

  • A three-ply blend of structured media for the high medium efficiency
  • Anti-microbial treated media provides exceptional protection
  • Allows for easy upgrade from conventional panel filters
  • Progressively dense 100% synthetic media offers an extraordinary combination of resistance to moisture, efficiency and dust holding capacity
  • Self-Seal model eliminates air bypass and requires no clips or fasteners
  • MERV 8 performance rating (ASHRAE Test Standard 52.2-2007)

4 Ply Duo-Cube

  • A four-ply blend of structured media for the highest medium efficiencies
  • Anti-Microbial treated MERV 8 media provides exceptional protection
  • Highest performance capabilities of any filter in the Duo-Cube series
  • 4-Ply Duo-Cube offers the best overall filtration performance of any filter in the Duo-Cube Series
  • Self-Seal model eliminates air bypass and requires no clips or fasteners
  • MERV 8 performance rating (ASHRAE Test Standard 52.2-2007)

 

Nominal SizeAirflow Capacity CFMMedia Area (sq. ft.)Initial Resistance (in W.G.) 1 Ply2 Ply (W.G.)3 Ply (W.G.)4 Ply (W.G.)
16x20x88006.2.10.13.15.16
16x25x810007.3.10.13.15.16
20x20x810007.2.10.13.15.16
20x25x812007.8.10.13.15.16
24x24x815009.3.10.13.15.16
16x20x1110007.7.15.20.22.24
16x25x1113009.0.15.20.22.24
20x20x1113008.9.15.20.22.24
20x25x11150011.4.15.20.22.24
24x24x11170011.3.15.20.22.24
16x20x1511009.7.19.26.29.24
16x25x15140011.3.19.26.29.32
20x20x15140011.1.19.26.29.32
20x25x15176012.9.19.26.29.32
24x24x15200014.0.19.26.29.32
16x20x20180012.2.23.31.35.38
16x25x20200014.2.23.31.35.38
20x20x20200013.9.23.31.35.38
20x25x20230016.0.23.31.35.38

Extended Surface Self-Seal Two Pocket Filter.

 Duo Pak Koch Filter
Duo-Pak 40 filters are designed for applications where long service life with a medium efficiency filter is required. The Duo-Pak 40, 2 ply configuration with the benefits of the depth loading characteristics of 550 media, offers high dust holding capacity and efficiency. The progressive density design of the 550 media is enhanced with a specially formulated tackifier to prevent particle migration and provide exceptional efficiency above five microns.

The Duo-Pak 40, 1 ply configuration, which utilizes a tackified single density polyester media, offers an economical alternative for applications where high dust holding capacity in a primary filter is
required.

Features

  • Self-cleaning.
  • Longer service life.

1-Ply MERV 7

Nominal SizeMedia sq. ft.Capacity @500 CFMInitial Resistance (W.G.) @300 FPMInitial Resistance (W.G.) @500 FPM
16x20x1511.411150.100.13
16x25x1513.414000.100.13
20x20x1512.214000.100.13
20x25x1514.317400.100.13
20x24x1513.916750.100.13
12x24x1512.212000.100.13
24x24x1514.720000.100.13
16x20x107.611150.120.17
16x25x109.014000.120.17
20x20x108.114000.120.17
20x25x109.417400.120.17
20x24x109.216750.120.17
12x24x108.112000.120.17
24x24x109.820000.120.17

2-Ply MERV 8

Nominal SizeMedia sq. ft.Capacity @500 CFMInitial Resistance (W.G.) @300 FPMInitial Resistance (W.G.) @500 FPM
16x20x1511.411150.090.15
16x25x1513.414000.090.15
20x20x1512.214000.090.15
20x25x1514.317400.090.15
20x24x1513.916750.090.15
12x24x1512.212000.090.15
24x24x1514.720000.090.15
16x20x107.611150.130.19
16x25x109.014000.130.19
20x20x108.114000.130.19
20x25x109.517400.130.19
20x24x109.216750.130.19
12x24x108.112000.130.19
24x24x109.820000.130.19

Filter Cartridges for Conoflo™, Cono-45™, Conopac-45™

 Multi 45 Koch Filter
Koch Multi-45 filter cartridges are manufactured from Ultrafine fiberglass media and formed into deep, pleated pockets. These cartridges are designed to fit original equipment framework without any modification.

Features

  • MERV 10 efficiency
  • Superior dust holding capacity
  • Collapsible design means reduced shipping and
    storage costs
  • Fits existing wire-basket framework without
    modification

 

Nominal SizeCapacity CFMInitial Pressure Drop (W.G.)
12x24x109000.21
16x20x1010000.21
16x25x1012000.21
20x20x1012000.21
20x25x1015000.21
24x24x1018000.21
12x24x1511000.26
16x20x1512000.26
16x25x1514500.26
20x20x1514500.26
20x25x1518000.26
24x24x1522000.26
12x24x1812500.32
20x25x1820000.32
16x20x1814000.32
16x25x1817500.32
20x20x1817500.32
24x24x1825000.32
12x24x2215000.34
16x20x2218000.34
16x25x2220000.34
20x20x2220000.34
20x25x2225000.34
24x24x2230000.34

Original Equipment Replacement Cartridge

 Multi Test Cartridge Koch
Multi-Test Filters are extended surface high-efficiency air filters designed to fit the basket framework of the Farr HP® without modification. Multi-Test Filters are collapsible replacement cartridges and are available in four nominal efficiency ranges: 20-30%, 45-55%, 80-90%, 90-95%
 

Nominal Size20/50 CFM50/60 CFM80/90 CFM90/95 CFMMedia Area (Sq. ft.)20/50 W.G.50/60 W.G.80/90 W.G90/95Final Resistance (W.G.)
12x24x886586535035014.50.120.230.250.401.0
16x20x893593536036015.80.120.230.250.401.0
20x20x81200120045045019.70.120.230.250.401.0
12x24x121050105050050020.80.120.230.250.401.0
20x25x81525152558058025.60.120.230.250.401.0
24x24x817251725700700290.120.230.250.401.0
24x24x12200020002000200041.70.120.230.250.401.0
12x24x24150015002000200048.50.200.230.400.551.0
24x24x2430003000200020009.610.200.230.400.551.0

Original Equipment Replacement Cartridge

 Multi Test Rigid Koch

Features

  • Fits Aerosolve* original equipment frames
  • MERV 7, 12 and 16 performance rating
    (ASHRAE Test Standard 52.2-2012)
  • Efficiency 55%, 85% and 95%
  • Superior dust holding capacity
  • High-efficiency microfiber glass media

 

Nominal SizeEfficienci MT45MT85MT95CFMMedia Area (sq. ft.)MT45 W.G.MT85 W.G.MT95 W.G.FPM
12x24x12 (B)45-5580-8593-97500210.160.250.25250
24x24x12 (A)45-5580-8593-971000430.160.250.25250
12x24x24 (E)120090-85450900430.400.450.25450
24x24x24 (D)105080-855001800860.400.450.25450
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