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Opposed Blade Damper
450 Series Engineering/Performance Data
165° replaceable fusible link
Nylon bushings on adjustable blades prevent metal on metal rattle
150 Series 4-Way Ceiling Diffuser - 10 x 10 Commercial Opposed Blade DamperStandard Features 4 Way ceiling register with stiffened 1 2" fan shaped louvers for silent operation Lever operated multi shutter damper All component parts, rivets, linkage and handle enclosed in valve to assure trouble free operation Countersunk mounting holes for flush appearance, with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder finish Soft White Options (must specify when ordering) Face Only Lever Operated
