White Louvre Extractor Air Vent & Back Draught Shutter 4 Inch

White Louvre Extractor Air Vent & Back Draught Shutter 4 InchProduct Description White Air Vent & Back Draught Shutter For 4 Inch (100mm) Extractor Fan Ducting Louvre Vent Louvre wall vent with weather sill. Helps prevent backdrafts. Manufactured with UV stable materials to reduce colour fade. Dual fitting for round 100mm (4 Inch) ducting or square ducting. Overall size: 140mm x 140mm. British made. ABS thermoplastic. Complies with Part F building regulations. Suitable for commercial and domestic use. Other

Plug size: 5mm x 25mm

The telescopic feature enables it to be adjusted between 3 and 5 brick courses

Louvre wall vent and weather sill

12 x  12mm        ( 1/2 inch )12 x  16mm          ( 5/ inch )12 x  20mm        ( 3/4 inch )12 x  25mm           ( 1 inch ) Measurement is the tool hole size

refurbishment and remedial work

Placed in a warm room

Prevents entry of birds and large insects

Helps prevent wind noise draughts and air Blast through air bricks etc

Extra Large 40Kg Wall Mounted Storage Hooks

Manufactured to BS EN ISO 9001 : 2008Satisfies all NHBC Standards 2008 EditionComplies with all relevant Building RegulationsMeets all relevant British Standards

Length: 370mm

Double Hat and Coat Hooks