E3D V6 HotEnd Full Kit – 1.75mm Universal Direct Drive 12V,24V – Pre-assembled The Prusa specific iteration of the V6 HotEnd – intended as a drop-in replacement for your original Prusa i3 MK3S/MK2.5S or MK3/MK2.5 MMU2. Ships with the standard V6 components, plus a Prusa specific thermistor, heatbreak and 40W heater cartridge. The Prusa V6 HotEnd offers the same all-metal, high-performance reliability of the V6, whilst swapping out several of our standard components with Prusa specific parts. These include a 40W heater cartridge for increased power, a longer wired thermistor and a heatbreak with Prusa specific internal geometries – designed to improve retractions with the Multi-Material upgrade.