9" x 9" Extendable Combination Cavity Wall Sleeve Vent with Buff Air Bricks Weep Vents Pack of 120

Pack of 120

Manrose Intervent  NVF100S

It provides an unobtrusive ventilation point for the cavity behind

White plastic screw cups with hinges

9" x 9" Extendable Combination Cavity Wall Sleeve Vent with Buff Air Bricks Weep Vents Pack of 120Extendable 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.