HVAC Ventilation Spare Parts Galvanized Duct Round Backdraft Damper

• Material: Galvanized Sheet
• Usage: for Ventilation
• Application: Industrial, Ventilation System
• Shape: Round
• Performance: Low Noise
• Certification: ISO, CE
• Model NO.: PVA/PVB
• Thickness: 0.5mm
• Transport Package: Carton, Pallet
• Specification: from 80 to 200
• Trademark: SUPERAIR
• Origin: China
• Production Capacity: 10000PCS/Month

Product Description

Product Description

Product Details

VENTS 4 in. KOM 100 U round back valve is especially designed to prevent back-draft. The spring loaded back-draft damper is manufactured of galvanized steel and contains rubber seal. Easily fits into your vent system, the installation requires minimal labor and time.

• Prevents outside air from penetrating the home
• Rubber gasket in closed position ensures minimal leakage
• Well-balanced
• Inserts into duct for simple installation
• Fits into 4 in. round ducting
• Horizontal installation only

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