Extension tube rigid Black 30cm long. M/M threads, 1/2 inch BSP 2 × £5.54
Air stone 50mm ball shape to take 3mm hose 1 × £3.69
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. 1 × £13.88
Extension tube rigid Black 30cm long. M/M threads, 1/2 inch BSP 1 × £5.54
Black anti kink hose, 19mm (¾ inch) per metre 1 × £2.86