11 1/2" x 29 1/2" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:11 1/2" x 29 1/2" x 1" MERV 6 - Fiberglass Air Filter 19 3/8" x 23 3/8"

19 3/8" x 23 3/8" x 1" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 21 7/8" x 27 7/8" x 3/4"

This design enables the filter to maintain its performance over the years

Actual Dimensions: 22 1/2" x 28" x 3/4"

20" x 22 1/2" x 1" MERV 11 - Pleated Air Filter - 6 Pack

11 1/2" x 29 1/2" x 1" MERV 6 - Premium Fiberglass Air Filter - 6 Pack MERV 6 - Fiberglass Air Filter:11 1/2" x 29 1/2" x 1" MERV 6 - Fiberglass Air Filter 19 3/8" x 23 3/8"11 1 2" x 29 1 2" x 1" MERV 6 Fiberglass Air Filter 6 Pack Actual Dimensions: 11 1 2" x 29 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