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Product Group: Hydronics, HVAC, & Refrigeration
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Supplier
Item Code
Short Description
Koch Filter Corp
KOCH 274-210-210
C&I Disp Glass 21x21x1 (12/ctn)
Koch Filter Corp
KOCH 284-210-210
C&I Disp Poly 21x21x1 (12/ctn)
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Manufacturer
Koch Filter Corp
Width
21 in
Depth
1 in
Domestic/Import
Domestic
Efficiency
65 to 70 %
75 to 80%
Flow Rate
300 fpm
Frame Material
Kraft Board
Height
21 in
Initial Resistance
0.07 in WG
0.15 in-WG
Media Material
Fiberglass
Polyester
MERV
5
Type
Standard