13" x 21 3/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:13" x 21 3/8" x 1" MERV 6 - Fiberglass Air Filter 24" x 24" x 12"

24" x 24" x 12" 95% No Header Rigid Filter - 1 Pack

20" x 36" x 1" MERV 11 - Pleated Air Filter - 6 Pack

15" x 22" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

17 1/2" x 29" x 1" MERV 6 - Fiberglass Air Filter - 6 Pack

23 1/2" x 25" x 1" MERV 13 - Pleated Air Filter - 6 Pack

13" x 21 3/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:13" x 21 3/8" x 1" MERV 6 - Fiberglass Air Filter 24" x 24" x 12"13" x 21 3 8" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 13" x 21 3 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