Features:

  • PTFE Blue Tubing - the blue color teflon tube outside diameter 4mm, inside diameter 2mm, density 2.15-2.20g/cm3
  • PC4-M6 fittings - thread M6/3mm, inner diameter(blue end) 4mm, fit for the tube whose outer diameter is 4mm
  • PC4-M10 fittings - thread M10/6mm, inner diameter(black end) 4mm, fit for the tube whose outer diameter is 4mm
  • Premium Material - the teflon tube made of durable PTFE (Poly Tetra Fluoro Ethylene) material, PC4-M6 Fittings is made of Copper; PC4-M10 Fittings is made of stainless steel
  • Attention - small 3D printer accessories, please keep away from children
Very nice replacement for Creality OEM

The fittings were a nice upgrade over the OEM fittings on the Ender 3. The OEM fittings would allow the Bowden tube to shift with the extruder movements, making flow & retractions erratic. The new fittings use metal fingers rather than plastic like the originals, so they bite into the teflon tube & prevent slippage. The fittings were a perfect fit & installed without issue. So far the tubing has held up well. I had a chance to examine the hot end side of the tube after printing multiple hours at PETG temps (250° C) & saw no deterioration at the hot end side (where the bowden tube touches the back side of the nozzle on my stock hot end).

Teflon tubes for Bowden extruder work very well

I got these for use on my Ender 3 3D printer to help reduce nozzle clogging due to slipping of the teflon tube in the fitting causing filament backup in the heater block. They have largely eliminated the problem. The blue teflon tube has a tighter tolerance on the ID than the stock tube which seems to be beneficial to its function. I will install one of these on my Prusa i3 printer as well.

very nice product

the fittings were exact fit o my ender 3 and cr-10.they have alot of tiny stainless steel teeth that really grip well.its not gonna slip once installed.the blue tubing i wasnt expecting much from really surprised me.its not the best quality.....but alot better than the stock ptfe tubing that came on my printers.in the package you get 3 rolls.just 1 roll was enough to replace the tubing on both my printers and still have extra.so that leaves me with enough ptfe tubing to change out atleast 4 more times. this package is a bargain just for the fittings.highly recommended.

awesome

enough parts to change out at least 3 printers, (or do the stuff you're probably supposed to do with these fittings/hoses) and they seem really high quality. I used these to upgrade the parts on an ender 3, and they work flawlessly. The fittings have a really nice positive click when you depress the locking ring, so you know exactly when it's unlocked. Really wish that was a standard.

Works like intended

So i got this for my CR-10s and it fit just fine no problem. The install was easy and quick. and it helped my prints right off the start line i have less under extrusion and way less play compared to the stock parts.

Extrusion issues? This may be what you need!

So I wanted to try this before I went with Capricorn tubing. Here on Amazon there is always a cheap product that gets the job done at least as well or close to as a bigger brand. I was having the same issue's many people have with the stock ender 3 ptfe tube. After a number of prints the tube slowly but surely pulled it's self out of the hot end just enough to cause a blob of plastic to form above the nozzle causing a blockage. I also had issues with the included ptfe tube warping at the end causing resistance on the filament thereby causing under extrusion. This comes with three replacement tubes, each is long enough to replace your PTFE tube twice so honestly you have 6 PTFE tube replacements in this. The internal diameter of this tubing is tighter then the original which in my opinion in better because it allows for there to be less play for the filament as it passes through the tubing but at the same time there isn't to much resistance to cause under extrusion. The outer diameter is perfect I had no issues getting it right against the nozzle in the hot end. The included quick connects are very nice and as mentioned in other reviews are better then the stock ones. I couldn't believe how easily the tubing slipped though these connectors, I really had to wrestle with the stock connectors. Honestly I think my stock tube has been causing me issues for longer then I thought. After replacing it with this my prints are marginally better then they were before but to me it is noticable. I haven't noticed any of the other issues that other reviewers have noted, not saying that they don't exist. With things from China it can always be hit or miss. But for me the outer diameter was perfect for my hot end, I even checked it with a caliper. The internal diameter was perfect as well. For me at this price, it's definitely worth the risk for anyone. In my opinion it's little upgrades like this that really make the ender 3 more reliable and also help you achieve better prints. I should have replaced that tube long ago!

Who needs a Capricorn!

I was concerned if the wind really work as good as the capricorn tubes to eliminate heat creep. So far so good. Sure beats paying twice as much for the same thing. I need to replace tubes on other brands of machines and I think this will work for them all.

Great upgrade to stock printer tubes, save you time and money later

Upgrading your stock PTFE tubes with quality Teflon tubing is a great way to upgrade your printer - but the upgrade comes in some ways in unnoticeable increments. When you get tighter tolerances and higher heat resistance, you get prints that have more even extrusion, and heat block extrusion leak prevention. This pays off down the road when you begin to think you are having nozzle issues, when really your bowden tube is just failing you in some way. Leave a few inches of extra tube (don't go too far there) so that you can pull the tube every now and then from your hot end and slice off just enough to keep things square and you will save yourself money in failed prints and time wasted wondering what the issue is between the spool and the finished product. If you just picked up an Ender or other low end (but excellent) printer, do yourself a favor and upgrade using this by putting it on your short list of mods.

solved all my issues with my ender 3

awesome high quality product, you can immediately feel a difference on how smooth the pla pushes through the tube vs the stock ptfe tube also has not budged from the bowden connector with over 50 hours of prints. stock ptfe was shifting in and out of stock bowden connector causing printing issues all my problems have been resolved.

Learn to trim the end of your tube after every 100 hours of printing.

If you pull your tube after every 100 hours of printing and trim off the slightly heat deformed portion, you'll have a printer that doesn't have extrusion issues when it comes to retraction.

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