9" x 9" Extendable Combination Cavity Wall Sleeve Vent with Buff Air Bricks

Extendable Cavity Wall Sleeve Vent

Buff Air Bricks

9" x 9" Inch

​Ventilation for heating and gas appliances with integral wind baffle.

This vent is to increase the airflow in a room to eliminate condensation with this 
sleeve vent for heat producing appliances.

Extends to suit wall thickness of 190mm - 335mm.

Additional G935 extension sleeves available in our shop.

Finished with 9" x 9" louvre vent for internally and air brick for externally.

Aesthetically pleasing and simple to install modular system.

Provides a maximum equivalent area of 152000mm² of free air space.

Meets NHBC requirements for the control of condensation in buildings.

Manufactured by Manthorpe Building Products with the exception of the air vent.

Different colour air bricks available in our shop.