Free delivery on orders over £50.00 in the UK Online Catalogue : Products For Tropical Fish : Air Pump Spares Spares Kit Whisper Spares kit for air pumps includes diaphragm, valve block, felt pad, flappers and spanner. Whisper 200 / AP30 Spares Kit - £3.74 Whisper 300/400/500 / AP50/80/100 Spares Kit - £3.74 Whisper 600/650 / AP150 Spares Kit - £5.45 Whisper 700/800 / AP200 Spares Kit - £6.10 Spares Kit Pond Air Spares kit for air pumps includes diaphragm, felt pad and flappers. Spares Kit Pond Air 1 - £3.68 Spares Kit Pond Air 2 - £4.69 Can't find what you're looking for ? email us - sales@fishybits.co.uk