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21 1/4" x 21 1/4" x 1" Permanent Washable Air Filter - 1 Pack
Chemically Treated:
Actual Dimensions: 20" x 30" x 3/4
high strength nylon backing
Easy to maintain - no need to buy oil sprays or adhesives to enhance filter effectiveness
14" x 18" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 32w 21 1/4" x 21 1/4"14" x 18" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 13 3 4" x 17 3 4" x 3 4" This filter is constructed using a MERV 6, fiberglass media with a downstream scrim and encased in the same partially recycled cardboard frame as pleated air filters. Unlike disposable filters made with sharp metal, these will not cut your hands and feature a low pressure drop and high level of filtration. Each filter lasts up to 1 month and should be
US$ 1848371.58
US$ 1232247.72
US$ 2218045.90
