Features:
Widely Application:  This Creality Ultra-Smooth PTFE Tubing Suitable with 1.75mm Filament, Smooth Feeding for Ender 3, Ender 5, CR-10, K1,K1 Max and All FDM 3D Printer.
Creality Ultra-Smooth PTFE Tube - Smooth feeding of 3D printing filaments, preferred product for high-speed printing.
Super smooth, with a friction coefficient of less than 0.1, reducing the friction resistance between the filaments and the inner wall during the printing process, and supporting high-speed printing.
Strong Temperature Resistance Corrosion Resistance for Longer Service Life: Resistant to strong acids, alkalis, water and various organic Solvents. Anti-aging, no deformation even after long-term exposure to air. Able to withstand max. 260℃ temperature.
Safety and Reliability: High-quality Non-toxic material for safety and reliability.

Specification: 
Product Name: Creality Ultra- Smooth PTFE Tube
Color: Gray
Material: PTFE
Diameter: D4-d2
Temperature Resistance: -190°C to 260°C
Melting Point: 327°C
Compatible Models: All FDM 3D Printers
Package Size: 200×150×5mm/7.8x5.9x0.2in
Package Weight: 50G/1.7oz

Packing List:
1 x Ultra-Smooth PTFE Tube 2M