Purolator Furnace Filter 24x24x4

The FMEX40 24x24x4 Purolator Furnace Filter is a medium efficiency, synthetic pleated filter.

The filter is made with double wall construction. The filters are rated average efficiency of 30-35% and an average arrestance of 90-93% when tested in accordance with ASHRAE 52.1-1992 test standards. This filter is a high capacity pleated air filter.

Price: $20.14

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