http://www.atmosrx.com/Vaporizers/View-all-products/Page-1-3.html "Atmos Optimus Vaporizer kit has a ultimate cartridge to be used with all oils and concentrates. The measuring scale lets you see the amount of oil remaining. The unique heating element in the chamber heats up your oils evenly and neatly, no worries of leakage or dripping." "Ultimate" cartridge that seems to be similar to an Ego CE4 Clearomizer... Does it really work with pure oils?