20" x 24" x 12" 95% No Header Rigid Filter Commercial Rigid Box Filter Galvanized Rigid Box Filter:20" x 24" x 12 95% No Header Rigid Filter Actual Dimensions: 18" x 24"

Actual Dimensions: 18" x 24" x 3/4

14" x 16" x 1" Permanent Washable Air Filter - 1 Pack

Actual Dimensions: 21 1/4" x 23 1/4" x 3/4"

Easy to install - installs like any disposable filter

21 1/2" x 21 1/2" x 1" MERV 6 - Fiberglass Air Filter - 6 Pack

20" x 24" x 12" 95% No Header Rigid Filter Commercial Rigid Box Filter Galvanized Rigid Box Filter:20" x 24" x 12 95% No Header Rigid Filter Actual Dimensions: 18" x 24"20" x 24" x 12" 95% No Header Rigid Filter 1 Pack 20" x 24" x 12" 95% No Header Rigid Filter The Filtration Group Rigid Air Filter is a steel cased air filter engineered to provide medium and high efficiency filtration combined with a prolonged life cycle. Its box filter construction eliminates the need for retainer and special external wire media supports. The perimeter frame is constructed of high strength, corrosion resistant galvanized steel.