If you are in tune with the vape pen cartridge industry in any capacity you’ve read the news circulating recently regarding the toxic vape cartridges that are exceeding CA standards for heavy metal testing. It’s a fact that the market has been tainted with oil vape cartridges containing dangerous heavy metals and Lead in particular. O2VAPE places the highest priority on product safety and quality and has certified testing on our cartridges to let customers buy confidently. In an effort at full transparency, we are even publishing our test results. Read on, see our tests and learn how you can ensure that you are getting vape cartridges that are safe for you and for your customers.