15 1/2" x 18 1/2" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:15 1/2" x 18 1/2" x 1" MERV 6 - Fiberglass Air Filter 13 1/8" x 13 3/8"

13 1/8" x 13 3/8" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

15 3/8" x 15 3/8" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

20" x 25" x 1" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 8 1/2" x 20" x 3/4"

19 5/8" x 29 5/8" x 1" MERV 6 - Fiberglass Air Filter - 6 Pack

15 1/2" x 18 1/2" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:15 1/2" x 18 1/2" x 1" MERV 6 - Fiberglass Air Filter 13 1/8" x 13 3/8"15 1 2" x 18 1 2" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 15 1 2" x 18 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