{"product_id":"casabrews-51mm-bottomless-portafilter-for-cm5418-5418pro-3700essential-stainless-steel-with-wooden-handle-double-shot-basket","title":"CASABREWS 51mm Bottomless Portafilter for CM5418\/5418Pro\/3700Essential — Stainless Steel with Wooden Handle, Double-Shot Basket","description":"\u003cp\u003e\u003cstrong\u003eCASABREWS 51mm bottomless portafilter is a stainless-steel, 3-ear portafilter with a wooden handle and included double-shot basket and puck screen, made to fit CM5418, 5418Pro and 3700Essential machines for visible, dialable extractions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your home espresso setup with a tool designed for precision and technique. This 51mm bottomless portafilter gives unobstructed visibility of the coffee flow so you can monitor crema, spot channeling, and refine grind and tamping. Constructed from food-grade stainless steel with a polished finish and a comfortable wooden handle, it matches the look and performance of premium café hardware while being sized specifically for CASABREWS machines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does a bottomless portafilter help improve my shots?\u003c\/h3\u003e\n\n\u003cp\u003eBy removing the spouts, a bottomless portafilter exposes the underside of the puck so you can watch how espresso exits the puck. That visual feedback makes it easy to detect uneven flow, channeling, or tamp inconsistencies and adjust grind or distribution accordingly.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eInstantly see where extractions start and stop, enabling faster technique tweaks.\u003c\/li\u003e\n  \u003cli\u003eUse visual cues to refine grind size, dose, and tamp pressure for more consistent crema.\u003c\/li\u003e\n  \u003cli\u003eWorks with the included puck screen to keep the brew head cleaner and improve flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this portafilter fit my CASABREWS CM5418, 5418Pro or 3700Essential?\u003c\/h3\u003e\n\n\u003cp\u003eThis accessory is engineered specifically for 51mm baskets and the group heads used on CASABREWS CM5418, 5418Pro, and 3700Essential machines. The 3-ear locking design ensures a secure and accurate fit so the seal, pressure, and alignment remain consistent with factory parts.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e51mm diameter matches the machine's double-shot baskets for leak-free locking.\u003c\/li\u003e\n  \u003cli\u003eThree-ear lug design mirrors OEM portafilters for reliable engagement.\u003c\/li\u003e\n  \u003cli\u003eComes with a double shot filter basket sized for standard 16g dosing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and features affect handling and longevity?\u003c\/h3\u003e\n\n\u003cp\u003eThe portafilter body is machined from food-grade stainless steel and hand-polished to resist corrosion and staining. A solid wood handle provides ergonomic grip and a tactile, high-end feel; its attachment is built for everyday use so leverage while locking and knocking out spent puck stays comfortable.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFood-grade stainless steel resists rust and cleans easily under running water.\u003c\/li\u003e\n  \u003cli\u003eHand-polished finish gives an attractive, low-maintenance surface.\u003c\/li\u003e\n  \u003cli\u003eSolid wood handle offers secure grip and café-style control when brewing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use it to get the best results with bottomless shots?\u003c\/h3\u003e\n\n\u003cp\u003eBottomless portafilters typically require a slightly finer grind and an even tamp to prevent early channeling. Follow a consistent dosing routine — this kit recommends around 16g for a double shot — and use the included puck screen to stabilize the puck and reduce group-head cleaning between shots.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRecommended double dose: 16g; adjust in 0.1–0.2g increments for dialing in.\u003c\/li\u003e\n  \u003cli\u003eTamp evenly and check for level puck surface before locking the portafilter in place.\u003c\/li\u003e\n  \u003cli\u003eUse the puck screen to protect the group head and smooth flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: home baristas and coffee hobbyists who own a CASABREWS CM5418, 5418Pro or 3700Essential and want clearer visual feedback to improve extraction consistency. It suits users ready to experiment with grind size and tamp technique and those who appreciate a durable, attractive tool with café-style ergonomics. If you want to dial in flavors, reduce wasted shots, and learn more about how grind and tamp affect espresso, this portafilter gives practical, everyday diagnostics without requiring commercial equipment.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this portafilter fit CASABREWS 51mm machines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is a 51mm three-ear portafilter made specifically for CM5418, 5418Pro, and 3700Essential models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What dose and tamp work best with this bottomless portafilter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Start with a 16g double dose, tamp evenly, and grind slightly finer than spouted setups; adjust to taste.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CASABREWS","offers":[{"title":"Default Title","offer_id":49196465684699,"sku":"B0DWXGRVVV","price":48.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/1188\/3483\/files\/casabrews-front-view-portafilter.jpg?v=1788011744","url":"https:\/\/homelypantry.co.uk\/products\/casabrews-51mm-bottomless-portafilter-for-cm5418-5418pro-3700essential-stainless-steel-with-wooden-handle-double-shot-basket","provider":"The Homely Pantry","version":"1.0","type":"link"}