18" x 18" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:18" x 18" x 2" MERV 6 - Fiberglass Air Filter 29" x 30" x 1"

29" x 30" x 1" MERV 13 - Pleated Air Filter - 6 Pack

20" x 23" x 2" MERV 11 - Pleated Air Filter - 6 Pack

18" x 30" x 4" MERV 13 - Pleated Air Filter - 6 Pack

20" x 21" x 4" MERV 11 - Pleated Air Filter - 6 Pack

Actual Dimensions: 19 7/8" x 33 7/8" x 1 3/4"

18" x 18" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:18" x 18" x 2" MERV 6 - Fiberglass Air Filter 29" x 30" x 1"18" x 18" x 2" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 17 3 4" x 17 3 4" 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