Backdraft Shutters Type WSK

WSK shutters are airstream-operated and designed for surface mounting.

Moulded in impact-resistant UV-stabilised PVC.

Colour - grey.

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.

No parts to corrode.

Screw fixing.

Suitable for internal or external wall or duct mounting in the vertical plane.

Generally used for exhaust applications.

Can be supplied to any square or rectangular dimension.

Maximum air velocity, 11m/s