Home / Plumbing / Brassware / 1/2″ Bottle Auto Airvent+Valve Sale! 1/2″ Bottle Auto Airvent+Valve£6.86 Original price was: £6.86.£5.99Current price is: £5.99. This product is available for pickup in Orpington. 1/2" Bottle Auto Airvent+Valve quantity Delivery Store Collection SKU: 29019WC01 Category: Brassware Product ID: 6774 Reviews Related products Sale! Wras 15Mm Dzr Bs5154 Gatevalve £6.34 Original price was: £6.34.£4.99Current price is: £4.99. Add to basket Brass Air Vent Key £0.53 Add to basket Radiator Plug & Vent Pack £1.71 Add to basket Sale! 15Mm Dzr Cxc Bs Gatevalve £6.95 Original price was: £6.95.£5.99Current price is: £5.99. Add to basket