10 Pcs PU4 Tube Fittings And 2 Pcs PC4 M6 Pneumatic Straight Fittings For 3D Printers 4mm OD PTFE Tubing No Fuss Quick Lock Connectors With Auto Lock Zinc Alloy And Plastic Construction Easy Install

10-Piece PU4/PC4-M6 Pneumatic Fittings Set for 3D Printers
✔️ Contains 10 PU4 fittings and 2 PC4-M6 straight fittings

These quick-lock pneumatic fittings are designed for 4 mm outer diameter PTFE tubing, ideal for 3D printers and filament rigs. The set includes 10 PU4 tube fittings and 2 PC4-M6 straight fittings, built from lightweight plastic with a zinc alloy core for solid connections. Compatible with popular machines like Creality Ender 3/3 Pro/3 V2, CR-10/10S, and Ender 5 series, these connectors provide reliable, leak-free tubing routes and easy maintenance.

✅ 10 PU4 tube fittings and 2 PC4-M6 straight fittings
✅ Fits 4 mm outer diameter PTFE tubing
✅ Auto-lock quick connect for tool-free installation
✅ Zinc alloy and plastic construction for durable use
✅ Compatible with popular printers (Ender 3/3 Pro/3 V2, CR-10, Ender 5 series)
✅ Ideal for 3D printer tubing and pneumatic lines

💡 What is a 4mm PTFE tube fitting set used for in 3D printing and how does auto-lock work? This handy connector kit helps secure 4 mm OD PTFE tubing quickly, reducing leaks and setup time. - Secure and leak-free connections for 4 mm OD PTFE tubing - Handy tool-free installation supports quick tube changes on printers - Compatible with popular models like Ender 3, Ender 5, and CR-10 - Auto-lock mechanism locks tubing with a simple push, no tools needed