13 3/8" x 23 1/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:13 3/8" x 23 1/8" x 1" MERV 6 - Fiberglass Air Filter 18" x 30" x 1"

18" x 30" x 1" MERV 13 - Pleated Air Filter - 6 Pack

Actual Dimensions: 17 1/4" x 21" x 3/4"

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

Actual Dimensions: 9 1/2" x 23 1/4" x 3/4"

15 1/2" x 23 1/4" x 1" MERV 13 - Pleated Air Filter - 6 Pack

13 3/8" x 23 1/8" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:13 3/8" x 23 1/8" x 1" MERV 6 - Fiberglass Air Filter 18" x 30" x 1"13 3 8" x 23 1 8" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 13 3 8" x 23 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