20Pcs PTFE Tube Connectors For 4mm Bowden Tubing Push To Connect Quick Fittings For 1.75mm 3D Printer Filament Pneumatic Couplers Tool Free Install Durable Adapters

20-Piece PTFE 4mm Bowden Tube Connectors - Push-To-Connect
✔️ Tool-free push-to-connect, brass body, 20 pcs, leakproof

These connectors fit 4mm OD Bowden tubing and are designed for quick, stable filament delivery in 3D printers, pneumatic systems, air compressors, and automation equipment. The 20-piece pack includes pass-through fittings compatible with PTFE, PU, and Nylon tubing for versatile setups.

✅ Compatible with 4mm PTFE tubing (OD)
✅ Tool-free push-to-connect design for easy installation
✅ Brass body resists corrosion for long service life
✅ 360° rotating fitting allows flexible routing
✅ Pack of 20 connectors for bulk projects

💡 What is a 4mm PTFE tubing push-to-connect fitting used for in 3D printers and pneumatic systems? This handy connector provides quick, tool-free connections for filament and air routing. - compatibility with PTFE, PU, Nylon tubing - tool-free installation and release - brass body resists corrosion - 360° rotation for flexible routing

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