Ventapipe 100 with dual fit synthetic rubber finger seal outlet for 3"/75mm or 4"/110mm soil pipe Size: 4" Standard: BS EN 12380:2002 Air Flow Capacity: 29.2 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. For 4"/110mm soil pipe push over rubber seal, for 3"/75mm soil pipe push in to rubber seal.
