Terracotta Gravity Flap Air Vent & Back Draught Shutter 4 Inch Ironmongery Satisfies all NHBC Standards 2008

Satisfies all NHBC Standards 2008 EditionManufactured to BS EN ISO 9001 : 2008Complies with all relevant Building RegulationsMeets all relevant British Standards‘Equivalent Area’ tested by BRE to BS EN 13141-1:2004

Scaffolding

12 x   9mm            ( 3/8 inch )12 x 13mm            ( 1/2 inch )12 x 19mm            ( 3/4 inch )10 x 25mm               ( 1 inch ) 4  x 32mm         ( 1 1/4 inch ) Measurement is the tool hole size

Heavy duty aluminium storage hooks

High visibility black and yellow chevrons

Terracotta Gravity Flap Air Vent & Back Draught Shutter 4 Inch Ironmongery Satisfies all NHBC Standards 2008Product Description Terracotta Air Vent & Back Draught Shutter For 4 Inch (100mm) Extractor Fan Ducting Gravity Flap Vent Wall vent with gravity flaps and weather sill. Helps prevent backdrafts. Manufactured with UV stable materials to reduce colour fade. Suitable for round 100mm (4 Inch) ducting. Overall size: 140mm x 140mm. British made. ABS thermoplastic. Complies with Part F building regulations. Suitable for commercial and domestic use. Other