21" x 26" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21" x 26" x 1" MERV 6 - Fiberglass Air Filter 6 1/2" x 20" x

6 1/2" x 20" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

13 1/2" x 17 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack

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

16" x 25" x 2" MERV 4 - Residential Washable Air Filter - 1 Pack

20" x 20" x 12" 85% With Header Rigid Filter - 1 Pack

21" x 26" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:21" x 26" x 1" MERV 6 - Fiberglass Air Filter 6 1/2" x 20" x21" x 26" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 21" x 26" 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 changed and