20" x 21" x 1" Commercial Washable Air Filter Commercial Washable Air Filter:20" x 21" x 1" Permanent Washable Air Filter 24" x 36" x 1"

24" x 36" x 1" MERV 4 - Residential Washable Air Filter - 1 Pack

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

Actual Dimensions: 14" x 24" x 3/4

14" x 14" x 4" MERV 11 - Pleated Air Filter - 6 Pack

with each stage capturing progressively smaller particles inside the filter

20" x 21" x 1" Commercial Washable Air Filter Commercial Washable Air Filter:20" x 21" x 1" Permanent Washable Air Filter 24" x 36" x 1"20" x 21" x 1" Permanent Washable Air Filter 1 Pack Actual Dimensions: 20" x 21" x 3 4 The washable type industrial grade filter is built to withstand frequent and moderate cleanings. An aluminum frame Filtration Group filter is the lightest weight filter in the industrial grade class. It is designed for use in commercial and industrial applications to filter air, grease and coolant mists, and it can be used either dry or coated with filter adhesive.