{"product_id":"mellow-2pcs-3d-printer-ptfe-tube-adapter-remote-feed-connector-1-75mm-3mm","title":"Mellow 2-Pack 3D Printer PTFE Tube Adapter | 1.75mm \u0026 3mm","description":"\n\u003ch2\u003eMellow 2-Pack 3D Printer Remote Feed Tube Connector – PTFE Tube Adapter\u003c\/h2\u003e\n\u003cp\u003eUpgrade your 3D printer's filament feed system with the \u003cstrong\u003eMellow 2-Pack Remote Feed Tube Interface Connectors\u003c\/strong\u003e. These all-metal pneumatic fittings replace flimsy plastic push-fit connectors, delivering a rock-solid, leak-free connection between your PTFE (Teflon) tube and the extruder or hot-end inlet. Compatible with both \u003cstrong\u003e1.75mm and 3mm filament\u003c\/strong\u003e setups, these connectors are an essential upgrade for any FDM printer running a Bowden or remote-feed configuration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Upgrade to All-Metal Tube Connectors?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull-Metal Construction:\u003c\/strong\u003e Eliminates failures caused by weak plastic pneumatic plugs — the all-metal body withstands repeated heat cycles and mechanical stress without cracking or slipping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Grip:\u003c\/strong\u003e Collet-style locking mechanism grips the PTFE tube firmly, preventing filament jams caused by tube pull-out during retraction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e 1\/8 taper pipe thread connection fits a wide range of 3D printer hotends, extruder bodies, and Bowden setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Tube Size Options:\u003c\/strong\u003e Choose the specification that matches your setup — \u003cstrong\u003eSpec ①: 4mm OD × 2mm ID\u003c\/strong\u003e feeding tube insert, or \u003cstrong\u003eSpec ②: 6mm OD × 4mm ID\u003c\/strong\u003e feeding tube insert.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 2:\u003c\/strong\u003e Keep a spare on hand or outfit two printers at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMellow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/8 Taper Pipe Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpec ①\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4mm OD × 2mm ID Feeding Tube Insert\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpec ②\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6mm OD × 4mm ID Feeding Tube Insert\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilament Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.75mm \u0026amp; 3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll-Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBowden extruder systems (e.g. Creality Ender, CR-10, Prusa variants)\u003c\/li\u003e\n  \u003cli\u003eDirect-drive remote feed setups\u003c\/li\u003e\n  \u003cli\u003eHotend PTFE tube inlet ports\u003c\/li\u003e\n  \u003cli\u003eAny printer using 1\/8 NPT or taper pipe fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/nitrile-work-gloves-anti-slip-full-finger-5-pair\"\u003e5-Pair Nitrile Work Gloves – Anti-Slip Full Finger Safety\u003c\/a\u003e – handy when handling hot-end components\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/10-pack-65mm-oscillating-multi-tool-saw-blades-high-carbon-steel\"\u003e10-Pack 65mm Oscillating Multi-Tool Saw Blades | Carbon Steel\u003c\/a\u003e – workshop essentials\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/ball-end-hex-screwdriver-bit-magnetic-reduced-shank-steel\"\u003eBall End Hex Screwdriver Bit – Magnetic Reduced Shank Steel\u003c\/a\u003e – perfect for printer assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Are these PTFE tube adapters compatible with my Creality Ender 3 or similar Bowden printer?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Mellow remote feed tube connectors use a standard 1\/8 taper pipe thread connection, which is compatible with most popular FDM printers that use Bowden setups, including Creality Ender series, CR-10, and many others. Just confirm your hotend's inlet thread size before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between Specification ① and Specification ②?\u003c\/h4\u003e\n\u003cp\u003eA: Specification ① is designed for a 4mm OD × 2mm ID PTFE feeding tube (commonly used with 1.75mm filament), while Specification ② fits a 6mm OD × 4mm ID feeding tube (typically used with 3mm filament systems). Select the spec that matches your current PTFE tube outer diameter.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why should I replace my plastic pneumatic push-fit connectors with these metal ones?\u003c\/h4\u003e\n\u003cp\u003eA: Plastic pneumatic connectors can crack, loosen, or fail over time due to heat and repeated retraction forces, leading to filament jams and failed prints. The all-metal Mellow connectors provide a more durable, stable grip that maintains a secure seal between the PTFE tube and the extruder — helping you achieve more consistent, reliable print results.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do these require any tools to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, basic assembly is required. You'll need a small wrench to thread the connector into the 1\/8 taper pipe port on your printer's hotend or extruder body. Once installed, the PTFE tube inserts and locks into the collet without additional tools.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Are these PTFE tube adapters compatible with my Creality Ender 3 or similar Bowden printer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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Once installed, the PTFE tube inserts and locks into the collet without additional tools.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/wb8bmu-rg.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/wb8bmu-rg.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Mellow 2-Pack 3D Printer PTFE Tube Adapter | 1.75mm \u0026 3mm\", \"item\": \"https:\/\/wb8bmu-rg.myshopify.com\/products\/mellow-2pcs-3d-printer-ptfe-tube-adapter-remote-feed-connector-1-75mm-3mm\"}]}\u003c\/script\u003e","brand":"Xpnd","offers":[{"title":"1.75mm","offer_id":67748649566445,"sku":"5:200007894#1.75mm","price":8.78,"currency_code":"USD","in_stock":true},{"title":"3.0mm","offer_id":67748649599213,"sku":"5:200007897#3.0mm","price":8.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0840\/1269\/5789\/files\/H1f7f7f02af3c49d595950c4523b11aebe_ad738727-87f3-422c-b612-7d1ab5e9ae01.webp?v=1791897907","url":"https:\/\/xpndservice.com\/products\/mellow-2pcs-3d-printer-ptfe-tube-adapter-remote-feed-connector-1-75mm-3mm","provider":"XPND","version":"1.0","type":"link"}