Stop Condensation and Damp;Positive open and close action;Achieves a water tightness limit of 400 p.a.;Tested in accordance with BS EN 1027:2000;Suitable for PVCu, timber and aluminium windows & doors

• Window Trickle Vent Brown - Large
• Large
• Dark Brown, Rosewood, Mahogany, Brown

Window Trickle Vent Brown - Largeregentwindows.co.uk