TIMCO 1201ABBU Pack of 20 Timloc 1201AB Plastic Airbricks Buff

Robust airbrick ventilator ideal for use with cavity sleeves and the 1201 and 1201xl telescopic underfloor ventilators Equivalent area marking to the front face of the airbrick is compliant with BS EN 13141-1:2004 The unique stepped front grille is designed to provide an unobstructed airflow and prevent the ingress of wind driven rain Integral clips enable multiple airbricks to be stacked together to form 9″ x 6″ and 9″ x 9″ sizes Equivalent area of 6170 mm2 per air brick, Weight: 4.87662523544 pounds, Manufacturer: Timloc