Cart Remove item Thumbnail image Product Price Quantity Subtotal × Extension tube rigid Black 30cm long. M/M threads, 1/2 inch BSP £5.54 Extension tube rigid Black 30cm long. M/M threads, 1/2 inch BSP quantity £5.54 × 9, 10, 28, 30, 31 - Valve chamber including flapper valves £0.00 9, 10, 28, 30, 31 - Valve chamber including flapper valves quantity £0.00 × 2 - Ceramic biomedia, 4 litres approx weight 1.26kg. Original unit supplied with approx 1.9kg £14.35 2 - Ceramic biomedia, 4 litres approx weight 1.26kg. Original unit supplied with approx 1.9kg quantity £14.35 × 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 × 100m REEL silicone airline tubing CLEAR 3mm internal bore £87.99 100m REEL silicone airline tubing CLEAR 3mm internal bore quantity £87.99 × Spares kit comprises 2 x diaphragms, 4 x valve flappers, 4 x valve retainers, 2 x gaskets, 2 x pivot plugs, 1 x handy screwdriver/spanner, 1 x air filter pad and full instructions. Also sold as 2542. £13.88 Spares kit comprises 2 x diaphragms, 4 x valve flappers, 4 x valve retainers, 2 x gaskets, 2 x pivot plugs, 1 x handy screwdriver/spanner, 1 x air filter pad and full instructions. Also sold as 2542. quantity £27.76 × 8-Rubber base feet (set of 4) £0.00 8-Rubber base feet (set of 4) quantity £0.00 × Socket 1/2 inch BSP F/F £2.53 Socket 1/2 inch BSP F/F quantity £2.53 × Spare diaphragm only, pack of 2 £0.00 Spare diaphragm only, pack of 2 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 × Sealing ring small. £0.00 Sealing ring small. quantity £0.00 × 100m REEL silicone airline tubing CLEAR 3mm internal bore £87.99 100m REEL silicone airline tubing CLEAR 3mm internal bore quantity £87.99 × Rubber feet - sorry not available £0.00 Rubber feet - sorry not available quantity £0.00 × Air stone 50mm ball shape to take 3mm hose £3.69 Air stone 50mm ball shape to take 3mm hose quantity £3.69 × Air stone 50mm ball shape to take 3mm hose £3.69 Air stone 50mm ball shape to take 3mm hose quantity £3.69 × 9, 10, 24, 30, 31-Valve chamber including flapper valves £0.00 9, 10, 24, 30, 31-Valve chamber including flapper valves quantity £0.00 Coupon: Apply coupon Update cart Cart totals Subtotal £253.53 Shipping Calculate shipping Country / region: Select a country / region… IrelandIsle of ManUnited Kingdom (UK) State / County: City: Postcode / ZIP: Update Total £253.53 (includes £42.23 VAT) Proceed to checkout