Home / Plumbing / Brassware / 1 1/4″ Diaphragm Washer 1 1/4″ Diaphragm Washer£1.68 This product is available for pickup in Orpington. 1 1/4" Diaphragm Washer quantity Delivery Store Collection SKU: 23260WC01 Category: Brassware Product ID: 6616 Reviews Related products 1/8″ Bsp Auto Air Vent £1.34 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 Brass Air Vent Key £0.53 Add to basket 1/8″ Bsp Brass Manual Air Vent £0.59 Add to basket