Cart Remove item Thumbnail image Product Price Quantity Subtotal × Air stone 50mm ball shape to take 3mm hose £3.69 Air stone 50mm ball shape to take 3mm hose quantity £3.69 × 12, 29 - Diaphragm (1) with protective Teflon washers (2) discontinued. £0.00 12, 29 - Diaphragm (1) with protective Teflon washers (2) discontinued. quantity £0.00 × 2, 3, 5, 6, 12, 24, 32, 33, 34-Annual maintenance master spares kit (incorrectly called 1019938 in instruction booklet) £19.99 2, 3, 5, 6, 12, 24, 32, 33, 34-Annual maintenance master spares kit (incorrectly called 1019938 in instruction booklet) quantity £19.99 × Spare air filter pads only, pack of 3 £5.78 Spare air filter pads only, pack of 3 quantity £5.78 × 6, 32 - Bottom air seal and outlet foam set £0.00 6, 32 - Bottom air seal and outlet foam set quantity £0.00 × 7, 8 - Base with feet for Koi Air 25 £0.00 7, 8 - Base with feet for Koi Air 25 quantity £0.00 Coupon: Apply coupon Update cart Cart totals Subtotal £29.46 Shipping Calculate shipping Country / region: Select a country / region… IrelandIsle of ManUnited Kingdom (UK) State / County: City: Postcode / ZIP: Update Total £29.46 (includes £4.90 VAT) Proceed to checkout