Our best selling cartridge and the most reliable cartridge on the market. We have customers constantly telling us how happy they are to have found a cartridge that works so well on a wide variety of battery voltage and doesn’t leak or burn out. This is indeed the right choice for most users looking to get a high quality hit with their current setup. It is also our most popular wholesale item as manufacturers need to know that they are getting the lowest failure rate possible. We stand behind that for both our costumers and business clients.