17 1/2" x 29 1/4" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 31-75w 19 1/4" x 25" x

19 1/4" x 25" x 1" MERV 11 - Pleated Air Filter - 6 Pack

18" x 24" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

21 3/4" x 28 3/4" x 1" MERV 13 - Pleated Air Filter - 6 Pack

14" x 21" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 13 7/8" x 17 7/8" x 1 3/4"

17 1/2" x 29 1/4" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 31-75w 19 1/4" x 25" x17 1 2" x 29 1 4" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 17 1 2" x 29 1 4" 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