13 7/8" x 23 7/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 35-75w 18 1/4" x 21 1/2"

18 1/4" x 21 1/2" x 1" MERV 13 - Pleated Air Filter - 6 Pack

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

12 1/2" x 24 1/2" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 9" x 25" x 3/4"

Actual Dimensions: 13 7/8" x 35 7/8" x 3/4"

13 7/8" x 23 7/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack 35-75w 18 1/4" x 21 1/2"13 7 8" x 23 7 8" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 13 7 8" x 23 7 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