18" x 20" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 28-75w 13 3/4" x 23 3/4"

13 3/4" x 23 3/4" x 1" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 13 3/4" x 29 3/4" x 3/4"

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

Actual Dimensions: 13 1/2" x 27 1/2" x 3/4"

18" x 20" x 2" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 28-75w 13 3/4" x 23 3/4"18" x 20" x 2" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 17 1 2" x 19 1 2" 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