Black 125mm 5 Inch Plastic External Ducting Gravity Grille Air Vent Cover Extractor Fan Back Draught Shutter Covers AC HVAC Bathroom Outside Wall Ventilation Hose Duct Grill - Part F Building Regs
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Product description
- Suitable for 125mm, 5" ducting & extractor fan connections. Plastic duct air Inlet outlet with Gravity shutters - 5 inch 125mm round male spigot at the back. Indoor or Outdoor use. Designed to terminate your extract duct to external walls.
- Temperature and UV-resistant antistatic plastic construction. Flush mounted fasteners. Easy maintenance.
- Non-return shutter gravity flaps close automatically without airflow. Stops odours, noises, draughts, wind, rain flowing back through your duct. Gravity flaps included - no clumsy springs.
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