21" x 21" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21" x 21" x 2" MERV 6 - Fiberglass Air Filter 6" x 16" x 1"

6" x 16" x 1" MERV 13 - Pleated Air Filter - 6 Pack

12" x 18" x 2" MERV 11 - Pleated Air Filter - 6 Pack

Actual Dimensions: 9 7/8" x 13 7/8" x 1 3/4"

10" x 20" x 2" Permanent Washable Air Filter - 1 Pack

16 1/2" x 19 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack

21" x 21" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21" x 21" x 2" MERV 6 - Fiberglass Air Filter 6" x 16" x 1"21" x 21" x 2" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 20 7 8" x 20 7 8" 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 be