Ventapipe 100 Internal /External with dual-fit synthetic rubber finger seal outlet for 4"/110mm pipe

Fits 4"/110mm soil pipe

Dual fit synthetic rubber finger seal outlet

A1 rated

Air flow capacity of 40 l/s

Incorporates a stainless steel mesh in the air intake

Complies with BS EN 12380:2002

McAlpine recommend that Air Admittance Valves be installed internally within the building.