Greenwood S series trickle vent window ventilators are available in various sizes, see variations table below. Bottom operation. Integral fly screen.
Suits Timber, UPVC and Aluminium.
Specifica...
Window vents available in various sizes and colours, see variations table below. Open and close action. Can be fitted to give up or down draught. Meets BS EN13141-1:2004. Snap on quick fit end c...