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Use For pitched roof eaves ventilationOn standard pitched roofs where the pitch of the roof is 15 degrees or more
Maximum opening the vent will cover: 9" x 6"
Adapter converts to a round opening that can be attached to a soil stack
Can be used with fibre or rigid slab insulation
Terracotta Louvre Extractor Air Vent & Back Draught Shutter 4 Inch Airbrick Flood Covers Use For pitched roof eavesProduct Description Terracotta Air Vent & Back Draught Shutter For 4 Inch (100mm) Extractor Fan Ducting Louvre Vent Louvre wall vent with weather sill. Helps prevent backdrafts. Manufactured with UV stable materials to reduce colour fade. Suitable for round 100mm (4 Inch) ducting. Overall size: 140mm x 140mm. British made. ABS thermoplastic. Complies with Part F building regulations. Suitable for commercial and domestic use. Other vents and colours
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