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Round ceiling radiation butterfly damper
Soft white
One piece curved frame with gasket fits flush to spiral pipe
Smoke Test and More Information on MA Series Diffusers
Steel Blade Grille - Horizontal Fixed Blade 938-30X14 Accessories Round ceiling radiation butterfly damperStandard Features *Surface mount return air grille * 0 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 938 O recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T T Bar mount * 905 HD reinforced construction * 905 IS insect screen * 1335 1338 Series stainless steel version * Tamper proof screws
