100 mm White Plastic Gravity Wall Grille with Non-Return Shutter and 4 inch Round Spigot for Bathroom Kitchen Cooker Hood Extractor Fan Ducting Air Hose Wall Ventilation

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Colour: 1 X Gravity Shutter

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Product description

  • Durable white plastic ducting with built-in air inlet outlet and gravity shutters. It measures 155 mm x 155 mm externally and has a 4-inch 100mm round male rear spigot for both indoor and outdoor applications.
  • This product meets Part F Building Regulations and has been tested for airflow performance by BSRIA or BRE. It allows for 7200mm2 of free air, and the pressure drop is 10.94 Pa at 15 l s, 18.59 Pa at 30 l s, and 24.21 Pa at 60 l s.
  • Simple installation effortlessly connect duct and fittings by push-fitting. Ideal for use as a Bathroom or Kitchen extractor fan, Hydroponics fan, or In-Line Extract Fan.

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