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Ships within 48 hours · Estimated delivery Nov 5 - Nov 10
Concealed screw design
Overall size: 175mm x 175mm
quick and easy to fitImproves performance of other roofing materialsIdeal for remedial workDurable and totally resistant to decaySupplied in convenient 750mm lengths
Can be stacked together to create 9" x 6" and 9" x 9" combinations
The rollout system makes fitting a breeze as it is supplied in a handy box dispenser with no need for specialist fixing tools
Terracotta Gravity Flap Air Vent & Back Draught Shutter 4 Inch Extractor Fans & Vents Concealed screw designProduct Description Terracotta Air Vent & Back Draught Shutter For 4 Inch (100mm) Extractor Fan Ducting Gravity Flap Vent Wall vent with gravity flaps and 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
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