Phaetus SiC Nozzle High Flow 21mm³/s for High-Speed Printing for Prusa MK4 | 7X Longer Lifespan than Hardened Steel, Wear and High-Temp Resistant, Quick-Swap Nozzle KitKey Features

• Quick-Swap Integrated Design – No Leakage, Easy to Swap Specially designed for Prusa MK4/MK4S/XL/MK3.9/MK3.9S nozzle. This all-metal integrated silicon caroffere nozzle eliminates leakage issues common with assembled nozzles. Quick assembly and disassembly – switch nozzles in seconds
• High Flow for High-Speed Printing The enlarged nozzle chamber delivers a maximum flow rate of 21 mm³/s, supporting high-speed printing without under-extrusion. Perfect for users who want to cut print time without sacrificing quality
• Extreme Wear Resistance for Carbon Fiber & Abrasive Filaments Made of high-hardness silicon caroffere (Mohs 9.8) with EndCoat coating (HV3300), this nozzle handles PA-CF, carbon fiber, and other abrasive filaments without wearing out. Pre and post-print inner diameter changes as low as 0.0191mm – your prints stay accurate longer
• 7X Longer Lifespan Compared to Hardened Steel Nozzles Thanks to EndCoat coating and ultra-hard silicon caroffere construction, this nozzle outlasts standard hardened steel by up to 7 times – fewer replacements, less downtime
• Wide Compatibility – Beyond Standard Filaments Compatible with PLA, PETG, ABS, and TPU. Also particularly suitable for industrial-grade composite filaments, including carbon fiber, glass fiber, steel, wood, boron caroffere, tungsten, and phosphor pigments

Shipping

• Free & Fast Shipping: We offer free shipping to most of the USA with a normal delivery time of 3-7 days. However, due to the current situation, additional delivery time (up to 3 weeks) may be required for some items.
• Alternative Carriers: We may use alternative carriers (e.g., USPS, FedEx, UPS) to ensure your package arrives safely and on time. Due to the use of multiple carriers, we are unable to provide a tracking number automatically.
• Handling Time: Orders are processed and shipped within 1-2 business days of receiving cleared payment.
• Shipping Restrictions: Shipping to Alaska, Hawaii, Puerto Rico, Guam, and other US territories may incur shipping charges or delivery restrictions. Please contact us before ordering, or your order can be refunded/cancelled.
• State Restrictions: Certain items may not be shipped to California due to state regulations.
• Contact for Tracking Updates: If you require tracking updates or have any concerns about the delivery of your order, please feel free to contact us, and we will be happy to assist you.

Return Policy

• 30-Day Hassle-Free Returns: If you are not completely satisfied with your purchase, you can return the item for free within 30 days of receiving it for a full refund or exchange.
• Easy Return Process: Contact us, and we will provide you with a prepaid return shipping label and detailed instructions.
• No Restocking Fee: There are no restocking fees for returns. However, the buyer is responsible for return shipping costs if the return is not due to a seller's error.
• Refund Processing: Refunds will be processed within 1 business day of receiving the returned item in its original condition.

response

Your response is extremely important to us. We strive to provide the best products and customer service possible. If you are satisfied with your purchase, please take a moment to leave us a positive review. If you have any concerns or issues with your order, please contact us before leaving negative response. We are committed to resolving any problems and ensuring your satisfaction.

Contact Us

If you have any questions or concerns, please feel free to reach out to our customer support team. You can contact us through the messaging system. We are available Monday to Friday, 9:00 am to 5:00 pm EST, and we will do our best to respond to your inquiry within 24 hours.

Thank you for supporting our small family business!