12 1/2" x 21" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:12 1/2" x 21" x 1" MERV 6 - Fiberglass Air Filter Actual Dimensions: 19 1/2" x

Actual Dimensions: 19 1/2" x 21 1/2" x 3/4"

15 1/2" x 24" x 1" MERV 6 - Fiberglass Air Filter - 6 Pack

17" x 22" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

Actual Dimensions: 21 1/4" x 22" x 3/4"

14" x 17" x 1" MERV 13 - Pleated Air Filter - 6 Pack

12 1/2" x 21" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:12 1/2" x 21" x 1" MERV 6 - Fiberglass Air Filter Actual Dimensions: 19 1/2" x12 1 2" x 21" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 12 1 2" x 21" 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