8 1/2" x 9 1/2" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:8 1/2" x 9 1/2" x 1" MERV 6 - Fiberglass Air Filter 11 1/2" x 21 1/2"

11 1/2" x 21 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack

This filter is comparable to 3M Filtrete Ultra Allergen: Filtrete 1250

21 3/4" x 28 3/4" x 1" MERV 11 - Pleated Air Filter - 6 Pack

MERV 11 - Pleated Air Filter - Recommended for Pet Owners

22" x 26" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

8 1/2" x 9 1/2" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:8 1/2" x 9 1/2" x 1" MERV 6 - Fiberglass Air Filter 11 1/2" x 21 1/2"8 1 2" x 9 1 2" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 8 1 2" x 9 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 be