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The Prusa i3 Mosquito Upgrade Kit is an all-in-one, hotend upgrade solution for the Prusa i3 MK3S+ printer. This kit makes it easy to install a Mosquito Hotend on your Prusa i3 MK3S+ with minimal downtime—eliminating heat creep, preventing clogging, and allowing for One-Handed Nozzle Changes™.
Looking to upgrade your MK3S+, MK3S, MK3, or MK2.5 printer with a Copperhead® Hotend? Click here.
Adding product to your cart
Frequently bought with:
Rigid “Roll Cage” Structure Machined out of aircraft-grade aluminum, the Mosquito Hotend’s heat sink is built like no other on the market. Designed with our patented “roll cage” design, the heat sink connects to the hot block with a rigid tubular structure. This unique feature protects the delicate heat break from crashes and other abuse and allows one-handed nozzle changes.
Bimetallic Heat Break™ Mosquito’s Bimetallic Heat Break is designed to eliminate heat creep and jamming, improve print resolution and allow for shorter retractions. Crafted with a highly conductive copper alloy and strain-hardened, abrasion-resistant steel, this heat break conducts 85% less heat up the filament path when compared to standard threaded heat breaks.
Super-Conductive Hot Block Mosquito’s hardened copper alloy hot block is nickel plated and rated to 500°C, enabling printing of every commercially available filament, from basic PLAs to custom, medical-grade PAEKs. The hot block design isolates the sensor from the heater with a physical air gap, improving the temperature feedback loop.
Easy-Install Mounting Enclosure The Prusa i3 Mosquito Upgrade Kit offers a hassle-free installation experience. The kit includes printed parts made with black ASA, specifically chosen for its high heat deflection temperature. However, for those who prefer customization, files are provided in the attributions section below to print your parts in a color or material of your choice. The filament used is produced right here in the United States.
*To use this kit on an MK3S printer, your printer must have the red PCB IR-Sensor (the black PCB IR-Sensor may not function properly with this kit). You will also need to print the MK3S Parts found in the downloads section below.
Section
Drop element here
Technical Specifications
Cooling
Air
Filament Diameter
1.75 mm
Temperature Rating
500°C*
Maximum Flow Rate Capacity
20 mm3/s
Nozzle Compatibility
M6 x 1.0 (7 mm thread length)
Heating Power
50 W 24 V (Not Included)
Temperature Sensor Compatibility
15 mm length, ø 3 mm (Not Included)
Number of Temperature Sensors
1
Manufacturing
Made in the USA
* Temperature Limitations: Although the Mosquito is rated up to 500°C, Prusa i3 printers are limited to 300°C by their firmware.
