Home / Plumbing / Brassware / 10″ Standard Ballvalve Arm Sale! 10″ Standard Ballvalve Arm£7.78 Original price was: £7.78.£5.99Current price is: £5.99. This product is available for pickup in Orpington. 10" Standard Ballvalve Arm quantity Delivery Store Collection SKU: 23230WC01 Category: Brassware Product ID: 6607 Reviews Related products 1/4″ Brass Air Vent £0.86 Add to basket Sale! 28Mm Brass G/Vle Bs5154 Short £8.67 Original price was: £8.67.£6.99Current price is: £6.99. Add to basket Brass Air Vent Key £0.53 Add to basket 15Mm Brass Air Vent Adaptor £0.95 Add to basket