Slotvent 2000 L Slimline Vent & Canopy Brilliant White

The L Vent is one of the slimmest window ventilators on the market and is suitable for low profile window frames where space to install a window vent is restricted. Vent Size: 263mm Slimline design for low profile window frames Bottom operation Small 10mm rout Smaller model offers excellent sound attenuation to 37dB(A) when in the open position The L Vent has been independently tested at a third party accredited test house to all of the current British Standards. Please see performance tab for full air permeability, Watertightness, noise and equivalent area performance information.