21 1/2" x 21 1/2" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21 1/2" x 21 1/2" x 2" MERV 6 - Fiberglass Air Filter 12" x 36" x 2"

12" x 36" x 2" MERV 4 - Residential Washable Air Filter - 1 Pack

3125" x 3/4

8 7/8" x 19 1/8" x 1" MERV 13 - Pleated Air Filter - 6 Pack

20" x 24" x 6" 65% With Header Rigid Filter

23" x 25" x 1" MERV 13 - Pleated Air Filter - 6 Pack

21 1/2" x 21 1/2" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21 1/2" x 21 1/2" x 2" MERV 6 - Fiberglass Air Filter 12" x 36" x 2"21 1 2" x 21 1 2" x 2" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 21 1 2" x 21 1 2" x 1 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