{"product_id":"charles-austen-et400-500-service-kit","title":"Charles Austen ET400\/500 Service Kit","description":"\u003cp\u003e                                                                                                                                                                                                                                                                                                             The Charles Austen ET400\/ET500 Service Kit is suitable for use with the Charles Austen ET400\/ET500\u003c\/p\u003e\n\u003cp\u003eWe recommend annual servicing and regular maintanance on all systems and Air Pumps.\u003c\/p\u003e\n\u003cp\u003eNOTE: 2 Kits required \u003cbr\u003efor ET250 - ET500\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eET400\/500 Service Kit – Contents\u003c\/strong\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ex4 Replacement Diaphragms\u003c\/li\u003e\n\u003cli\u003ex1 Replacement Filter\u003c\/li\u003e\n\u003cli\u003e16 Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Charles Austen","offers":[{"title":"Default Title","offer_id":57311138939253,"sku":null,"price":135.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0269\/2035\/3881\/files\/Screenshot_2026-06-23_100818_02b39a44-9d49-4e7c-bdd0-f1eb5de7b7a6.png?v=1782213624","url":"https:\/\/direct-drainage.co.uk\/products\/charles-austen-et400-500-service-kit","provider":"Direct Drainage","version":"1.0","type":"link"}