20" x 20" x 6" 85% With Header Rigid Filter Commercial Rigid Box Filter Galvanized Rigid Box Filter:20" x 20" x 6 85% With Header Rigid Filter 30" x 36" x 2"

30" x 36" x 2" MERV 11 - Pleated Air Filter - 6 Pack

16" x 30" x 4" MERV 8 - Premium Pleated Air Filter - 6 Pack

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

14" x 22" x 2" MERV 8 - Premium Pleated Air Filter - 6 Pack

Actual Dimensions: 11 7/8" x 35 7/8" x 3/4"

20" x 20" x 6" 85% With Header Rigid Filter Commercial Rigid Box Filter Galvanized Rigid Box Filter:20" x 20" x 6 85% With Header Rigid Filter 30" x 36" x 2"20" x 20" x 6" 85% With Header Rigid Filter 1 Pack 20" x 20" x 6" 85% With 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.