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 Manufacturer Stock Code:VP100E EAN Code:5036484090065 Diameter:110 mm Sub-Category:Valves Brand:McAlpine Category:Fittings