Aibecy 3pcs Blue PTFE Tube Hose Pipe

Features:
The PTFE blue tubing outer diameter 4 mm, inner diameter 2 mm, density 2.15-2.20 g/cm3.
PC4-M6 fittings- Made of copper and plastic, inner diameter(blue end) is 4mm.
PC4-01 fittings- Made of stainless steel and plastic, inner diameter(black end) is 4mm.
Connection through the external thread of the quick connection. Press and hold black or blue oval of quick fitting to release conveniently.
Attention: These 3D printer accessories are small, please keep them away from children.