23 1/2" x 23 1/2" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 24-5w 12" x 30" x 4"

12" x 30" x 4" MERV 11 - Pleated Air Filter - 6 Pack

21 1/2" x 22 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack

12" x 24" x 6" 65% With Header Rigid Filter

Actual Dimensions: 7 1/2" x 7 1/2" x 3/4"

22 1/2" x 28" x 1" MERV 13 - Pleated Air Filter - 6 Pack

23 1/2" x 23 1/2" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 24-5w 12" x 30" x 4"23 1 2" x 23 1 2" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 23 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