Eurekavaper carts

WTF E , it's such a buzz kill when U only get one puff. one cart stops, I return,they give another,one puff . Stops again,And when I try to get ahold of them ,As they say to do, You have to register as a vender.Why return A POS FOR ANOTHER PIECE OF $××T

Far and away the worst cartridge and manufacturer on the market. How they remain in business is mind boggling.