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Product Description
This red PTFE tube is the low friction 3mm filament guide inside the steel MK5 Thermal Barrier.
It slides into the thermal barrier, and is cut to length. PTFE is resistant to heat and wear, so this tube will help you keep you extrusion flowing smoothly.
It's also completely constrained inside the stainless steel MK5 Thermal Barrier tube, so it's great for long builds where heat can build up over time. This PTFE CoreTube can take it!
It slides into the thermal barrier, and is cut to length. PTFE is resistant to heat and wear, so this tube will help you keep you extrusion flowing smoothly.
It's also completely constrained inside the stainless steel MK5 Thermal Barrier tube, so it's great for long builds where heat can build up over time. This PTFE CoreTube can take it!
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