Home / Plumbing / Brassware / 1/2″ Bottle Auto Airvent+Valve Sale! 1/2″ Bottle Auto Airvent+Valve£6.24 £4.68 This product is available for pickup in Orpington. 1/2" Bottle Auto Airvent+Valve quantity Add for Delivery Add for Pickup SKU: 29019WC01 Category: Brassware Product ID: 6774 Reviews Related products Sale! 1/8″ Bsp Auto Air Vent £1.22 £0.92 Add to basket Sale! 28Mm Brass Cxc Gatevalve £8.99 £6.74 Add to basket Sale! 1/4″ Brass Air Vent £0.78 £0.58 Add to basket Sale! Cp Rad Extension Piece 20Mm £1.96 £1.47 Add to basket