Combination weather louver and gravity backdraft dampers designed to protect air exhaust openings in building exterior walls. Design incorporates a drainable head member, J style stationary louver blades, pressure/gravity operated damper blades. Recommended application is in close pr...
Combination weather louver and gravity backdraft dampers designed to protect air exhaust openings in building exterior walls. Design incorporates a drainable head member, J style stationary louver blades, pressure/gravity operated damper blades. Recommended application is in close p...
PP Backdraft Damper Shutter Plastic Vent with Check Valve HVAC System Parts $0.90 - $1.10 Min. order: 1000 pieces 6" 25 ft. Rangehood Ducting Exhaust Air Duct Kitchen Chimney Flexible Duct Hose for Cooker Hood $3.50 - $4.90 Min. order: 500 pieces Factory wholesale Deflecto 4 5 6 White ...
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