20" x 24" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:20" x 24" x 1" MERV 6 - Fiberglass Air Filter Actual Dimensions: 19 3/4" x

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

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

Easy to clean - simply backwash every month with cold water

Actual Dimensions: 17 1/2" x 21 1/2" x 3/4"

Actual Dimensions: 14 7/8" x 29 7/8" x 3/4"

20" x 24" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:20" x 24" x 1" MERV 6 - Fiberglass Air Filter Actual Dimensions: 19 3/4" x20" x 24" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 19 1 2" x 23 1 2" 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