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Home / Other Machinery & Hardware (New) / 3D Printer Accessories PTFE Tube Feeding Tube MK8 Nozzle Throat Tube 1.75mm

Attributes

Brand -
Category Hardware & Tools / Other Machinery & Hardware (New)
Origin -
Material High-Purity PTFE (Teflon)
Inner Diameter 2.0 mm
Outer Diameter 4.0 mm
Compatible Filament Size 1.75 mm
Max Temperature Resistance 260°C (500°F)
Tube Length 1 Meter per piece
Color Translucent White
Compatibility MK8 Extruders, Ender 3, CR-10, Prusa i3
Surface Finish Ultra-smooth for low friction
Package Contents 1x PTFE Tube, 2x Pneumatic Fittings

6 reviews

A

Anonymous

Mar 30, 2026

Rating: 4/5

Solid replacement part

Does exactly what it is supposed to do. The tolerance seems very precise compared to generic brands. Only giving 4 stars because shipping took a little longer than expected, but the product itself is perfect.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect fit for my Ender 3 upgrade

This tube slides right into the extruder with no gaps. The inner surface is incredibly smooth, and I haven't had a single filament jam since installing it. Highly recommended for anyone upgrading from the stock blue tube.

A

Anonymous

Mar 23, 2026

Rating: 4/5

Good quality, slightly stiff at first

The material feels very durable and high quality. It was a bit stiff to bend around the frame initially, but after running some prints, it settled into place nicely. No issues with feeding PLA or PETG.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Smooth operation guaranteed

The low friction coefficient makes a huge difference in retraction settings. My stringing has reduced significantly. This is a must-have accessory for any 3D printing enthusiast.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Excellent value for money

Comes with extra fittings which was a nice surprise. The cut ends are clean and square, making installation easy without needing special tools. Will buy again for my second printer.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Solved my clogging issues

I was experiencing frequent clogs at the heat break. Replacing the old worn-out tube with this high-temp PTFE tube completely solved the problem. Prints are consistent again.

5 FAQ

Q: How do I cut the tube to size without crushing it?

A: We recommend using a sharp razor blade or a dedicated PTFE tube cutter. Make sure the cut is perfectly perpendicular to ensure a tight seal in the push-to-connect fittings.

Q: Do I need to buy separate pneumatic connectors?

A: No, the package includes two standard PC4-M10 pneumatic fittings compatible with most MK8 style extruders, so you have everything needed for installation.

Q: What is the exact length of the tube included?

A: Each package contains one continuous piece of PTFE tube measuring exactly 1 meter in length, which can be cut to fit your specific printer setup.

Q: Is this tube compatible with ABS filament?

A: Yes, this PTFE tube can handle temperatures up to 260°C, which is suitable for ABS printing. However, ensure your hotend temperature does not exceed the tube's limit.

Q: Can this be used with a Bowden setup?

A: Absolutely. This tube is specifically designed for Bowden extruder setups where the filament needs to travel a distance between the motor and the hotend with minimal friction.

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