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18" x 8" motorized damper FEATURES • Heavy gauge extruded aluminum or steel construction...
16" x 12" motorized damper FEATURES • Heavy gauge extruded aluminum or steel construction...
20" x 8" motorized damper FEATURES • Heavy gauge extruded aluminum or steel construction...
8" round motorized damper #6608 FEATURES • Rugged 24 gauge construction for durability •...
12" round motorized damper FEATURES • Rugged 24 gauge construction for durability • Foam...