Home / Plumbing / Brassware / Cp Rad Extension Piece 20Mm Sale! Cp Rad Extension Piece 20Mm£2.16 Original price was: £2.16.£1.99Current price is: £1.99. This product is available for pickup in Orpington. Cp Rad Extension Piece 20Mm quantity Delivery Store Collection SKU: 6120WC01 Category: Brassware Product ID: 6514 Reviews Related products 15Mm Brass Air Vent Adaptor £0.95 Add to basket Alloy Air Vent Key £0.36 Add to basket 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