15PCS M6 Pneumatic Coupling
Bowden tube M6 pneumatic coupling for Ender 3.
PC4-M6 couplers: thread M6/3mm, inner diameter 4mm, fit for the tube whose outer diameter is 4mm, made of premium copper and plastic, sturdy and durable.
M6 pneumatic coupling * 15PCS
M6 pneumatic coupling * 30PCS
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