Cart Remove item Thumbnail image Product Price Quantity Subtotal × Double wire hose clip 19mm (¾ inch), each. Material galvanised mild steel, colour may vary due to coating £1.55 Double wire hose clip 19mm (¾ inch), each. Material galvanised mild steel, colour may vary due to coating quantity £1.55 × Spare air filter pads only, pack of 3 £5.78 Spare air filter pads only, pack of 3 quantity £11.56 × Check Valve to take 3mm hose see 2559 above £5.78 Check Valve to take 3mm hose see 2559 above quantity £5.78 × Polymer wool, pack of 6 £14.49 Polymer wool, pack of 6 quantity £14.49 × 25, 26 - Outlet connecter pipe and clips (2) £0.00 25, 26 - Outlet connecter pipe and clips (2) quantity £0.00 × 2, 3 - Foam air filter and seal. **SPECIAL OFFER PRICE** (RRP £3.05) £1.14 2, 3 - Foam air filter and seal. **SPECIAL OFFER PRICE** (RRP £3.05) quantity £1.14 × Double wire hose clip 25mm (1 inch), each. Material galvanised mild steel, colour may vary due to coating £1.78 Double wire hose clip 25mm (1 inch), each. Material galvanised mild steel, colour may vary due to coating quantity £1.78 × Air stone 50mm ball shape to take 3mm hose £3.69 Air stone 50mm ball shape to take 3mm hose quantity £3.69 × 5 - Cover lid top seal £0.00 5 - Cover lid top seal quantity £0.00 × Extension tube rigid Black 15cm long. M/M threads, 1/2 inch BSP £4.73 Extension tube rigid Black 15cm long. M/M threads, 1/2 inch BSP quantity £4.73 × 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 × 7, 8 - Base with feet for Koi Air 25 £0.00 7, 8 - Base with feet for Koi Air 25 quantity £0.00 × 3, 4 & 5 - Set of 3 foam pads, 1 each fine, medium and coarse £35.51 3, 4 & 5 - Set of 3 foam pads, 1 each fine, medium and coarse quantity £35.51 × 100m REEL silicone airline tubing CLEAR 3mm internal bore £87.99 100m REEL silicone airline tubing CLEAR 3mm internal bore quantity £87.99 × Air stone 50mm ball shape to take 3mm hose £3.69 Air stone 50mm ball shape to take 3mm hose quantity £7.38 × Hose clip galvanised mild steel for 32mm tubing, Pack of 10 £11.11 Hose clip galvanised mild steel for 32mm tubing, Pack of 10 quantity £11.11 × Spare diaphragm only, pack of 2 £0.00 Spare diaphragm only, pack of 2 quantity £0.00 × 4-Lid ONLY for Koi Air 50/65 £0.00 4-Lid ONLY for Koi Air 50/65 quantity £0.00 × Socket 1/2 inch BSP F/F £2.53 Socket 1/2 inch BSP F/F quantity £2.53 × 8-Rubber base feet (set of 4) £0.00 8-Rubber base feet (set of 4) 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 × Spares kit, comprises 1 x diaphragm, 2 x valve flappers, 2 x valve retainers, 1 x gasket, 1 x pivot plug, 1 x handy screwdriver / spanner, air filter pad and full instructions. Also sold as 2541 £10.98 Spares kit, comprises 1 x diaphragm, 2 x valve flappers, 2 x valve retainers, 1 x gasket, 1 x pivot plug, 1 x handy screwdriver / spanner, air filter pad and full instructions. Also sold as 2541 quantity £10.98 × 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 × 24-In /out flapper valves (4) mushroom shape £0.00 24-In /out flapper valves (4) mushroom shape 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 Coupon: Apply coupon Update cart Cart totals Subtotal £308.20 Shipping Calculate shipping Country / region: Select a country / region… IrelandIsle of ManUnited Kingdom (UK) State / County: City: Postcode / ZIP: Update Total £308.20 (includes £51.35 VAT) Proceed to checkout