E3D Revo Hemera Fully Loaded Kit Ready for Revo. Change nozzles at room temperature using just your fingers. No complex tools, no hot tightening. Revo Nozzles are a factory sealed nozzle and heatbreak in one, so they’re easy to fit and can’t leak material when in use.  New hotness. A Revo HeaterCore heats up in seconds. It’s much safer too – unlike other solutions on the market, a positive temperature coefficient (PTC) means the Revo HeaterCore can not melt at extreme temperatures: power reduces as it gets…