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VOISN-040X088
Thermal Efficiency Volume Control Damper
by
40 in. Width x 88 in. Height, Insulated Thermally Broken Blade, Thermally Broken Frame, Opposed Blade.
Features
3-Year Warranty On Materials And Workmanship
Self-Compensating Side Seal Minimize Leakage Between
Twin Blade Seals With Neutral Zone Thermal Break
Dual-Action Injection Molded Bearing And Bearing Surface Frame Insert