【Premium Heat-Resist Nozzle Sock for MK4 Series】 With this sock in place, you can safely print more exotic materials such as PETG at higher temperatures while using cooling fans at full speed. Actively keeping the hotend very hot and cooling down PETG much quicker before it is laid onto the hotbed can help improve success rates on more prints.
【Function】 The Silicone Cover serves to keep your heater block clean and repel any plastic residue from burning or building up on it. This helps to extend the life of the heater block and extruder while also maintaining a stable hotend temperature and providing protection from failed 3D printing projects.
【Value Package】 You will receive 4 pcs of Silicone Covers that fit perfectly onto the Prusa MK4 XL hotend heater block. These covers have good flexibility and can be placed close to the heating block for easy installation and stability without falling off easily.
【Upgraded Material】 Our 3D Printer Hotend Silicone Sock is made of heat-resistant non-stick silicone material that has been injection molded with temperature resistance up to 300°C/580℉. It can effectively keeps the hot end clean and maintains a stable temperature during printing process.
【Compatibility】 This Heater Block Silicone Sock is compatible with the Prusa MK4 & Prusa MK3.9 XL 3D Printer. If you require other accessories for your MK4 such as a heatbed thermistor set or a Nextruder heaterblock among others, just search for our brand.