500MA Series Perforated Surface Mount Diffuser past 12 months Holds up to 1" filter

Holds up to 1" filter (not included)

Standard Features * Full size fixed bar blade T-Bar lay-in return air grille *

Standard Features * For evaporative cooling or high velocity exhaust applications with divided 2-way multi-louver and combination shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White

w/ Tool Operated Opposed Blade Damper

Soft white

500MA Series Perforated Surface Mount Diffuser past 12 months Holds up to 1" filterStandard Features Adjustable modular cores with fixed curved blades Extruded aluminum surface mount frame with signature line marks Hinged perforated face with screwdriver access to release 3 16 holes on 1 4 staggered centers Square Collar Countersunk mounting holes with color matching Philips posi drive screws Ceiling opening must be 4 larger in length and width than the nominal duct size Rust resistant pre coat with durable powder finish Soft White