Ventapipe 40/50 with Solvent Weld Outlet for 1½" (1.1/2") or 2" BS EN 1329-1:2000 solvent weld waste pipe. Size: 1½" (1.1/2") Standard: BS EN 12380:2007 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.
