20" x 21 5/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:20" x 21 5/8" x 1" MERV 6 - Fiberglass Air Filter 9" x 59" x 1"

9" x 59" x 1" MERV 11 - Pleated Air Filter - 6 Pack

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

10" x 24" x 4" MERV 11 - Pleated Air Filter - 6 Pack

20" x 20" x 12" 65% With Header Rigid Filter - 1 Pack

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

20" x 21 5/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:20" x 21 5/8" x 1" MERV 6 - Fiberglass Air Filter 9" x 59" x 1"20" x 21 5 8" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 20" x 21 5 8" 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