Home / Plumbing / Brassware / 3/8″ Bottle Auto Airvent+Valve Sale! 3/8″ Bottle Auto Airvent+Valve£6.47 Original price was: £6.47.£4.99Current price is: £4.99. This product is available for pickup in Orpington. 3/8" Bottle Auto Airvent+Valve quantity Delivery Store Collection SKU: 29020WC01 Category: Brassware Product ID: 6775 Reviews Related products Sale! 28Mm Brass Cxc Bs Gatevalve £11.90 Original price was: £11.90.£8.99Current price is: £8.99. Add to basket Sale! 28Mm Brass Cxc Gatevalve £9.89 Original price was: £9.89.£7.99Current price is: £7.99. Add to basket Alloy Air Vent Key £0.36 Add to basket 1/4″ Brass Air Vent £0.86 Add to basket