{"product_id":"ptfe-tube-1","title":"PTFE Tube","description":"\u003cp\u003e\u003cstrong\u003ePTFE filament-feed \u0026amp; bowden tube for 3D printers — 4 mm OD, in your choice of inner bore, colour and length.\u003c\/strong\u003e Low-friction, chemically inert, heat-resistant PTFE (polytetrafluoroethylene) tubing for routing 1.75 mm filament: bowden extruders, reverse-bowden, and ERCF \/ MMU feed paths.\u003c\/p\u003e\n\u003ch3\u003ePick the bore for the job\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.0 mm ID\u003c\/strong\u003e — tight, constrained guidance for short internal runs (extruder → heatbreak). Holds the filament straight over a short length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5 mm ID\u003c\/strong\u003e — the standard low-friction bowden \/ reverse-bowden bore, and the recommended bore for ERCF feed tubes and the reverse bowden to the toolhead. Consumed by the metre on MMU\/ERCF builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.0 mm ID\u003c\/strong\u003e — loosest, lowest-drag routing for long runs where slip beats constraint.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBlack or Opaque White\u003c\/h3\u003e\n\u003cp\u003eFunctionally identical PTFE — pick by preference. White\/natural is the classic look; black blends into dark builds.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PTFE (polytetrafluoroethylene)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 4 mm — fits standard PC4 push-fit couplers (PC4-M6, PC4-M10, ECAS) and 4 mm bowden fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner diameter:\u003c\/strong\u003e 2.0 \/ 2.5 \/ 3.0 mm (per variant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Opaque White or Black (per variant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature ceiling:\u003c\/strong\u003e ~260 °C — not a hotend liner above this\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-cut lengths:\u003c\/strong\u003e 300 mm · 1.5 m · 3 m · 5 m · 10 m\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFor 1.75 mm filament\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing a length\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 mm\u003c\/strong\u003e — a short internal run or a spare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5 m\u003c\/strong\u003e — one bowden leg \/ one MMU feed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 m \/ 5 m\u003c\/strong\u003e — multiple legs or a long reverse bowden on a tall\/large printer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 m\u003c\/strong\u003e — bulk for a full multi-channel ERCF\/MMU build (best price per metre)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWant to \u003cem\u003esee\u003c\/em\u003e the filament move? Choose our \u003ca href=\"https:\/\/dfh.fm\/products\/transparent-fep-tube\" target=\"_blank\" title=\"transparent fep tube\" rel=\"noopener\"\u003etransparent FEP tube\u003c\/a\u003e instead — same low-friction class, see-through for multi-material \/ ERCF.\u003c\/p\u003e","brand":"dfh.fm","offers":[{"title":"Opaque White \/ 2mm ID 4mm OD \/ 1.5m","offer_id":43561412559070,"sku":"1981063198","price":3.19,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 2mm ID 4mm OD \/ 3m","offer_id":43561412624606,"sku":"3889221737","price":5.49,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 2mm ID 4mm OD \/ 5m","offer_id":43561412657374,"sku":"2899328029","price":9.39,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 2mm ID 4mm OD \/ 10m","offer_id":43561412690142,"sku":"5421793876","price":15.59,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 2mm ID 4mm OD \/ 300mm","offer_id":43561412526302,"sku":"4275831525","price":3.19,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 2.5mm ID 4mm OD \/ 1.5m","offer_id":43561412755678,"sku":"7855051128","price":4.69,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 2.5mm ID 4mm OD \/ 3m","offer_id":43561412788446,"sku":"6210903520","price":9.39,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 2.5mm ID 4mm OD \/ 5m","offer_id":43561412821214,"sku":"1012074710","price":14.09,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 2.5mm ID 4mm OD \/ 10m","offer_id":43561412853982,"sku":"6079638115","price":25.79,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 3mm ID  4mm OD \/ 1.5m","offer_id":43561412919518,"sku":"4915930683","price":4.69,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 3mm ID  4mm OD \/ 3m","offer_id":43561412952286,"sku":"1845280653","price":9.39,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 3mm ID  4mm OD \/ 5m","offer_id":43561412985054,"sku":"4859253427","price":14.09,"currency_code":"USD","in_stock":true},{"title":"Opaque White \/ 3mm ID  4mm OD \/ 10m","offer_id":43561413017822,"sku":"2146677582","price":25.79,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2.5mm ID 4mm OD \/ 1.5m","offer_id":43561412231390,"sku":"1762457752","price":5.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2.5mm ID 4mm OD \/ 3m","offer_id":43561412264158,"sku":"8459050907","price":10.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2.5mm ID 4mm OD \/ 5m","offer_id":43561412296926,"sku":"1222779438","price":16.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2.5mm ID 4mm OD \/ 10m","offer_id":43561412329694,"sku":"8668010648","price":30.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/9209644411_a3b55be4-361a-42ea-b0a8-216b4da1e52e.jpg?v=1669243654","url":"https:\/\/formosissima.myshopify.com\/products\/ptfe-tube-1","provider":"dfh.fm","version":"1.0","type":"link"}