{"product_id":"curved-bottom-cleaning-head-58mm-e61-double-shot-portafilter","title":"Curved-Bottom Cleaning Head – 58mm E61 Double Shot Portafilter","description":"\u003cdiv class=\"wp-block-woocommerce-product-details product-description\" data-block-name=\"woocommerce\/product-details\"\u003e\n\u003cdiv class=\"woocommerce-tabs wc-tabs-wrapper\"\u003e\n\u003cdiv aria-labelledby=\"tab-title-description\" role=\"tabpanel\" id=\"tab-description\" class=\"woocommerce-Tabs-panel woocommerce-Tabs-panel--description panel entry-content wc-tab\"\u003e\n\u003ch2\u003eCleaning Head – Curved-Bottom, Right-Angle Double Shot Portafilter (58mm) — E61 Compatible\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis NS300Pro Cleaning Head is precision-matched for 58mm curved-bottom, straight-walled (right-angle) double shot \u003ca href=\"https:\/\/ns300.com\/products\/countertop-coffee-grounds-bucket\"\u003eportafilter baskets\u003c\/a\u003e — the geometry used by the world's most popular traditional espresso machines. The E61 group head standard, found across Italian-heritage and prosumer machines, produces this distinctive curved-base portafilter profile. The full metal body and purpose-built curved rubber strip deliver flush, full-surface contact cleaning on every automated NS300 cycle, removing coffee puck residue thoroughly and consistently.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eCompatible machines — E61 group head and curved-bottom portafilters:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRancilio Silvia, Silvia Pro, and Silvia Pro X\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eECM Classika, Mechanika, Synchronika, and Technika\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRocket \u003ca rel=\"noopener\" href=\"https:\/\/en.wikipedia.org\/wiki\/Espresso_machine\" target=\"_blank\"\u003eEspresso\u003c\/a\u003e Appartamento, Mozzafiato, and Cinquantotto\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eLelit Bianca, Mara X, Elizabeth, and MaraX PL62\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eQuick Mill Achille and Vetrano\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eProfitec Pro 500, 600, and 700\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBezzera BZ10, BZ13, and Unica\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMost commercial E61 group head machines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCurved-bottom head vs Universal head — which should I choose?\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Universal Cleaning Head (sold separately) works across a wide range of 58mm machines but uses a general-profile rubber strip. This curved-bottom head provides a more precise fit for E61-style curved baskets — the rubber strip is shaped to match the curved inner base, maximising contact area and cleaning effectiveness. For Rancilio, ECM, Rocket, or Lelit owners, this is the better choice.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhen to replace your cleaning head:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eThe rubber strip is cracked, flattened, or no longer follows the curved profile\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCoffee grounds remain after a full cleaning cycle\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe metal body is bent or the rubber no longer clips securely\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eCompatible geometry: Curved (arc) bottom · right-angle (straight) walls\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eShot type: Double shot · Basket diameter: 58mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBody: Full metal construction · Rubber: Curved-profile cleaning strip\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCompatible with:  NS300Pro (all versions)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes: 1 × cleaning head with rubber strip\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Neutral","offers":[{"title":"Default Title","offer_id":41613280608359,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/9054\/5255\/files\/Curved-Bottom_Cleaning_Head_58mm_E61_Double_Shot_Portafilter.png?v=1779175771","url":"https:\/\/ns300.com\/products\/curved-bottom-cleaning-head-58mm-e61-double-shot-portafilter","provider":"Neutral","version":"1.0","type":"link"}