Repa Market 4" Inch / 100 mm Duct Backdraft Blockers - Pipe Connector with Backdraught Shutter - Backflow Preventer - Dryer Vent Adapter - Inline Air Extractor - Pipe Line Coupler with Valve
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Product description
- DURABLE MALE-SPIGOT DESIGN Constructed with a male spigot and durable white plastic housing, ensuring long-lasting performance in extractor fan systems.
- ADVANCED BACKFLOW PROTECTION Equipped with a pre-installed balanced damper that effectively stops unwanted odors, noises, and drafts from backflowing through your duct system.
- OPTIMIZED FOR MULTI-SECTION DUCTING A critical airflow safeguard for long or multi-section ductwork, ensuring stable performance in ventilation, passive stack venting, air conditioning, positive-pressure systems, tumble dryer setups, HVAC installations, and air heating networks.
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