100mm Black Gravity Grille Vent *4" Spigot* Perfect for cooker hoods, extraction systems and tumble dryers. The 100mm Diameter Gravity Grille Round Spigot is manufactured from Polypropylene. It has a male spigot for connection inside of the system 100 duct. It is supplied complete with 3 anti-backdraft shutters which will open during fan operation and close when the fan is switched off. It will prevent external airflow or wind pressure from travelling up the duct and into the property.

Brand Name	Mould Stop
Colour	Black
Material	Polyvinyl chloride (PVC)
Manufacturer Model No	VKC243BLACK
Wear Type	N/A
Type	Vent
Certifications Met	UL94HB flammability standard
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Product width	155mm
Product depth	40mm
Product height	155mm
Suitable for	Vent ducting
Guarantee	Statutory