Home / Plumbing / Brassware / Air Admittance Valve (Grey) Customer matched zone "UK" View basket “1/4″ Brass Air Vent” has been added to your basket. Sale! Air Admittance Valve (Grey)£36.66 £27.99 This product is available for pickup in Orpington. Air Admittance Valve (Grey) quantity Delivery Store Collection SKU: 23270WC01 Category: Brassware Tag: Plastic Fittings Product ID: 6618 Reviews Related products Sale! 28Mm Brass Cxc Gatevalve £9.89 £7.99 Add to basket 1/8″ Bsp Auto Air Vent £1.34 Add to basket Sale! Wras 15Mm Dzr Bs5154 Gatevalve £6.34 £4.99 Add to basket Radiator Plug & Vent Pack £1.71 Add to basket