11 1/8" x 11 1/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 17-875w They are interchangeable with 1"

They are interchangeable with 1" disposable filters and can be used again and again

12" x 18" x 2" MERV 6 - Fiberglass Air Filter - 6 Pack

17 1/4" x 23 1/4" x 1" MERV 11 - Pleated Air Filter - 6 Pack

16" x 25" x 2" MERV 4 - Residential Washable Air Filter - 1 Pack

Actual Dimensions: 21 1/2" x 27" x 3/4"

11 1/8" x 11 1/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 17-875w They are interchangeable with 1"11 1 8" x 11 1 8" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 11 1 8" x 11 1 8" 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