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We offer Free Shipping on all order!!Gallery2 Pcs PC4-M6 Pneumatic Fitting and 2 Pcs PC4-M10 Pneumatic Fitting for Creality Ender 3/3 Pro/3 V2, Ender 5/5 Pro/5 Plus, CR-10/10S, etcDescriptionSpecification:1.PC4-M6 pneumatic fittingInner diameter(blue end): 4mmThread: 6 mmMaterial: copper and plastic2.PC4-M10 pneumatic fittingInner diameter(black end): 4mmThread: 10 mmMaterial: stainless steel and plasticUse:Install: connecting by the outer thread of the quick fitting.Remove: press and hold the blue or black end of the quick fitting and pull out the tube.Advantage:The upper part can be inserted outer diameter 4mm PTFE tube and self-locking.2 end connections of quick fittings are able to bear greater and stronger impulse but won't come off.Features

• Compatibility: fit for 3D Printer 1.75mm Filament and other devices.
• Easy to Install: the extruder fittings are PC4-M6 and the hotend fittings are PC4-M10, the upper part can be inserted outer diameter 4mm PTFE tube and self-locking.
• PC4-M6 fitting: copper and plastic material, durable and sturdy; Thread: 6 mm, inner diameter(blue end): 4mm, fit for the tube whose outer diameter is 4mm.
• PC4-M10 fitting: stainless steel and plastic material, anti-oxidation, anti-corrosion, and high hardness; Thread: 10 mm, inner diameter(black end): 4mm, fit for the tube whose outer diameter is 4mm.
• 3D Printer accessories use high-quality raw materials and fine workmanship, If you have any questions about our product, please feel free to contact us, we will do our for you.

Free Shipping and Free Return 30-Days Money Back Guarantee.Our prices do NOT include any customs duty or tax.Payment managed by .Shipping⦿ We do not ship to a different address. we will ship to the address you provide on the only. Please check your address before purchase.⦿ It should take 2-5 business days for the product to reach your destination.⦿ If the product doesn't reach your destination within the time limit, please give it an additional 1-2 business days in case of postal delays and/or possible technical issues.⦿ We use a selection of shipping services such as UPS, FedEx, USPS etc.⦿ We ship only to the 48 contiguous states of America. We do not ship to Hawaii, Alaska, US Protectorates, APO/FPO addresses. Local pickups are not offered.⦿ If it takes any longer than that, please do not hesitate to contact us to resolve the issues.Return Policy⦿ All our products come with a 30-Day Return Policy. If you would like to return your item and you are within 30 days of the purchase, and it is still in its original condition, you can return the item by contacting us through messaging.⦿ If you are not 100% satisfied, please let us know the Detailed Problem,We will give you a 100% satisfactory solution⦿ If you received an incorrect, damaged, defective, or item not as described, contact us for a partial/full refund or replacement on our cost.⦿ For all returned products, buyers MUST contact us for the returning address.Contact and Other sales⦿ We back our commitment with superb service, 100% full money back and a customer satisfaction guarantee.⦿ Please remember to give us a positive response.⦿ Thank you for your business, your trust and your confidence. It is our pleasure to work with our customers.