Fits 2", 3"/75mm or 4"/110mm pipe Dual fit synthetic rubber finger seal outlet Also incorporates 2" Universal outlet A1 rated Air flow capacity of 16.3 l/s For full information on Air Admittance Valves please see below Brand:McAlpine Manufacturer Stock Code:VP50-100 EAN Code:5036484005861 Length:160 mm Width:140 mm Height:260 mm Diameter:80 mm Weight:0.357 kg Manufacturer Guarantee:10 years Sub-Category:Valves Colour:Grey Brand:McAlpine Pack Size:1 Category:Fittings