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Ships within 48 hours · Estimated delivery Oct 20 - Oct 25
Pack of 20
Weather resistant
The high visibility colour reminds you to remove the cover once the flood water has receded
4mm10 Qty / 13
The Manthorpe G1105 Flash Vent is a simple one piece rollout
Grey Gravity Flap Air Vent & Back Draught Shutter 4 Inch Travel Kits Pack of 20Product Description Grey Gravity Flap 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.
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