Mosquito® Prime™ - 1.75 mm (Air)
Mosquito® Prime™ - 1.75 mm (Air)
Mosquito® Prime™ - 1.75 mm (Liquid)
Mosquito® Prime™ - 1.75 mm (Conduct)
Mosquito® Prime™ - 2.85 mm (Air)
Mosquito® Prime™ - 2.85 mm (Liquid)
Mosquito® Prime™ - 2.85 mm (Conduct)
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Mosquito® Prime™

Starting at $999.99
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Experience Mosquito® Prime™, the world's highest volumetric flow rate hotend—the ultimate combination of speed and reliability built to save you time and money. Featuring advanced thermal engineering, structural rigidity, and world-class US-based support, Mosquito Prime delivers precise and consistent high-flow extrusion, ensuring high-quality prints every time.

Note: Mosquito Prime is delivered as a kit with your configuration of heaters and sensors pre-installed.
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Enjoy a 30-Day Customer Happiness Guarantee with full refund, replacement, or repair options if our products don't meet promised results. Items not manufactured by us are eligible for free returns if they remain in new and unopened condition. Exclusions apply. See terms for full details.

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Enjoy a 30-Day Customer Happiness Guarantee with full refund, replacement, or repair options if our products don't meet promised results. Items not manufactured by us are eligible for free returns if they remain in new and unopened condition. Exclusions apply. See terms for full details.

Free shipping over $50 is available for US customers only. See terms for full details.

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Mosquito Prime Fast and Consistent Extrusion

Fast and Consistent Extrusion

Mosquito Prime sports a lengthy 61 mm melt zone where filament directly contacts the hot block, allowing for better heat transfer and consistent temperature distribution. Enabled by a unique dual heater configuration of 150 W, Prime melts filament fast for a maximum volumetric flow rate of up to 116 mm3/s, (516 g/hr), with PLA and 64 mm3/s, (280 g/hr) with TPU.

Mosquito Prime Internal Die for Smooth Flow

Internal Die for Smooth Flow

The flow-splitting die within Mosquito Prime's hot block divides the molten plastic into three streams, enabling a steady and consistent flow rate that guarantees a fast and efficient printing experience. By encouraging laminar flow and minimizing internal turbulence, the flow-splitting die enhances extrusion efficiency and delivers high-quality prints with every use.

Mosquito Prime Building on Mosquito’s Legacy

Building on Mosquito’s Legacy

As an extension of the Mosquito line of hotends, Mosquito Prime features a copper alloy hot block rated to 500°C for ultimate material compatibility and a rigid "roll cage" design for enhanced durability. The Mosquito’s signature Bimetallic Heat Break™ ensures efficient thermal isolation of the cold block to prevent filament clogging.

Mosquito Prime Additional Features and Benefits

Additional Features and Benefits

  • Supports up to 3 temperature sensors, one for each temperature zone and a third for redundancy and safety
  • Compatible with RepRap style nozzles (M6 x 1.0 threads with a 7 mm thread length)
  • Compatible with the Mosquito Magnum+ Convection Shield
  • 100% Made in the USA

Technical Specifications

Dimensions 19.95 x 25.1 x 88 mm
Mass 103–140 g
Cooling Air, Liquid, or Conduction
Filament Diameter 1.75 mm or 2.85 mm
Temperature Rating 500°C
Maximum Flow Rate Capacity - PLA (1.4 mm nozzle) 116 mm3/s
Maximum Flow Rate Capacity - TPU (1.4 mm nozzle) 64 mm3/s
Nozzle Compatibility M6 x 1.0 (7 mm thread length)
Maximum Heating Power 150 W (24 V)
Temperature Sensor Compatibility 15 mm length, ø 3 mm
Number of Temperature Sensors Up to 3
Manufacturing Made in the USA

Download The White Paper

Mosquito Prime White Paper

Hotend Comparisons

The Original Mosquito® Mosquito® Magnum Mosquito Magnum+® Mosquito® Prime™
Max Flow Rate Capacity 35 mm3/s (156 g/hr) 40 mm3/s (179 g/hr) 90 mm3/s (402 g/hr) 116 mm3/s (516 g/hr)
Nozzle Orifice 0.2 – 0.8 mm 0.4 – 1.2 mm 0.4 – 1.8 mm 0.8 – 1.8 mm
Mass* 37 g 41 g 73 g 103 g
Overall Height* 41 mm 41 mm 60 mm 88 mm
Max Power 50 W 50 W 100 W 150 W
Filament Size 1.75 or 2.85 mm 1.75 mm 1.75 or 2.85 mm 1.75 or 2.85 mm

* Air-Cooled Version (1.75 mm); Mass/height includes the heat sink, heat break, & hot block

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