Wall Vent HSR4W 100mm (4″),
This white vent is gravity louvred & designed to vent to outside also preventing cold air & pests from entering. Louvres have a curved shape to keep vent closed in winds & drafts. It is UV resistant made from calcium filled polypropylene plastic with a 25mm deep rear flange for ducting attachment. Use MCR4 Clamp for secure connections, order separately if required.
Suitable for clothes dryers, rangehoods & general ventilation