9" x 9" Extendable Combination Cavity Wall Sleeve Vent with Buff Air Bricks Dry Verges 16 Red fibre washers

16 Red fibre washers

Compliant with BS 5440-2:2000

External water baffle prevents the transfer of water across the cavity

Provides a neat and tidy protective joint

The product can be slotted between two bricks and mortared into position

9" x 9" Extendable Combination Cavity Wall Sleeve Vent with Buff Air Bricks Dry Verges 16 Red fibre washersExtendable 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.