Ventapipe 25 Air Admittance Valve with 1½" BSP thread on outlet - VP1W
Ventapipe 25 with 1½" (1.1/2") BSP thread on outlet Size: 1½" (1.1/2") Standard: BS EN 12380:2009 Air Flow Capacity: 3 Please Note: For use in above ground drainage systems to provide a means of ventilation under conditions of reduced pressure when ventilating pipes are terminated inside buildings in accordance with BS EN 12056-2:2000.
