External Vents, Internal Vents
Gravity Vent 310mm
Material: Impact-resistant UV-stabilised PVC
Grey surface mountable gravity vent with a 310mm diameter hole.
Flaps have an aerofoil section with the weight concentrated at the pivot point. This feature ensures easy opening and minimal pressure drop.
Nylon spindles give silent and maintenance-free operation.
This product is currently Out of Stock with no expected arrival date. For this reason it cannot be purchased. If you would like some options for suitable alternatives please contact us