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Convection Shield for Mosquito Magnum+®/Prime™

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Defense against convective heat loss, right where you need it. If you're going to print fast, you'll also need the appropriate amount of part cooling to support that speed. Now you can blast part cooling all while being ensured that your filament is exiting the nozzle at the exact temperature you want.

The precision-machined high-temperature aluminum frame is more durable than a traditional silicone insulator and will never droop, fall off, or degrade over time.  A thin air gap and ceramic washers work in tandem to minimize heat transfer to the Convection Shield.


  • Fits Mosquito Magnum+® and Prime™ Hotends
  • Prevents external cooling of the hot block
  • High-temperature aluminum alloy construction for ultimate durability and heat resistance
  • Integrated captive screw assembly for easy installation
  • Ceramic insulators minimize heat transfer from the hot block to the Convection Shield


  • The Convection Shield is only compatible with RepRap style nozzles that have a 6 mm hex and lower.
  • In order to change nozzles, the Convection Shield must be removed first.

"Those running the SliceEngineering Magnum+ ! Slice released a new nozzle insulator and I love it ! It is bigger than its predecessor, but exact same weight (4.1g), but it works better. Not only it insulates the nozzle from the cooling fan, but it will also help heat to reach the nozzle. In fact, they call it the Nozzle Convection shield."