21" x 23" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21" x 23" x 2" MERV 6 - Fiberglass Air Filter 21 1/2" x 23 1/2"

21 1/2" x 23 1/2" x 1" MERV 6 - Fiberglass Air Filter - 6 Pack

Actual Dimensions: 19 7/8" x 22 1/4" x 3 3/4"

20" x 24" x 4" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 5 3/4" x 29 3/4" x 3/4"

16 1/2" x 21 3/4" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

21" x 23" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21" x 23" x 2" MERV 6 - Fiberglass Air Filter 21 1/2" x 23 1/2"21" x 23" x 2" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 20 7 8" x 22 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