|601 Mod is our original threading used on almost all our vaporizers. 601 mod cartridges fit our Vaporizer, Minicron Lite, Minicron, Omicron Lite, Omicron v1-v3, Persei v1-v5, and 8 vaporizers.|
|601 eGo fits our O-Phos vaporizer only.|
|510 Mod fits our Omicron V4, 8 vaporizer, and more to come; along with many third party mods. Sits flush on flat-top mod boxes and pens with female threading.|
|510 Ego has a skirt to cover up e-cigarette eGo batteries with outer (male) threading visible.|
Please contact our customer service if you need any assistance determining the correct fitment for your vaporizer!