Cart Remove item Thumbnail image Product Price Quantity Subtotal × Check Valve to take 3mm hose see 2559 above £6.07 Check Valve to take 3mm hose see 2559 above quantity £6.07 × 5-Cover lid top seal. **SPECIAL OFFER PRICE** (RRP £2.99) £1.14 5-Cover lid top seal. **SPECIAL OFFER PRICE** (RRP £2.99) quantity £1.14 × 10 - In/out flapper valves (4) mushroom shape. **SPECIAL OFFER PRICE** (RRP £5.09) £0.42 10 - In/out flapper valves (4) mushroom shape. **SPECIAL OFFER PRICE** (RRP £5.09) quantity £0.42 × 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 × 27 - Steel multi-outlet air fitting 6-way £0.00 27 - Steel multi-outlet air fitting 6-way quantity £0.00 × Double wire hose clip 12mm (½ inch), each. Material galvanised mild steel, colour may vary due to coating £1.25 Double wire hose clip 12mm (½ inch), each. Material galvanised mild steel, colour may vary due to coating quantity £1.25 × 24-In /out flapper valves (4) mushroom shape £0.00 24-In /out flapper valves (4) mushroom shape quantity £0.00 × 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 £13.88 × 4-Lid ONLY for Koi Air 50/65 £0.00 4-Lid ONLY for Koi Air 50/65 quantity £0.00 Coupon: Apply coupon Update cart Cart totals Subtotal £22.76 Shipping Calculate shipping Country / region: Select a country / region… IrelandIsle of ManUnited Kingdom (UK) State / County: City: Postcode / ZIP: Update Total £22.76 (includes £3.79 VAT) Proceed to checkout