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.