Air Pump Service Kit ET400

The Charles Austen Service Kit for the ET 400 - 500 Air Pump Range is a wise investment. Charles Austen recommends that your ET pump be serviced every 18 months.  The Kit includes 4 x Diaphragms and 1 x Filter and 16 x Valves. This Kit will fit the ET range of pumps from ET400 to ET500. NOTE 2 SERVICE KITS ARE REQUIRED FOR THE ET400 - 500