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Test Results :
AIR FILTER COMPARISON* - 20" x 20" x 1" *AFTL CERTIFIED TEST | ||||
Filter Test Sample Media Type |
#1 DuraLast PolyLast |
#2 Metal Mesh Metal |
#3 Fiberglass Disposable |
#4 Fiberglass Disposable |
Dust Holding Capacity (g) Arrestance (%) Initial Resistance (in. w.g.) |
250 74% .06 |
190 42% .08 |
40 57% .05 |
80 56% .03 |