21 1/2" x 27" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21 1/2" x 27" x 1" MERV 6 - Fiberglass Air Filter 8 7/8" x 19 1/8"

8 7/8" x 19 1/8" x 1" MERV 11 - Pleated Air Filter - 6 Pack

14" x 30" x 1" Permanent Washable Air Filter - 1 Pack

19" x 24" x 1" MERV 11 - Pleated Air Filter - 6 Pack

12" x 24" x 6" 95% No Header Rigid Filter - 1 Pack

21 1/2" x 27" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21 1/2" x 27" x 1" MERV 6 - Fiberglass Air Filter 8 7/8" x 19 1/8"21 1 2" x 27" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 21 1 2" x 27" 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