–1ML/1Gram Vape Cart – Made with plant derived diluent. NO VITAMIN E ACETATE! – Dilution ratio 1:1, Break-Thru Easily Obtainable. – Carts are C-cell Ceramic Coil, Glass Tank and 510 threading, Refillable. – Food and medical grade materials, Not that cheap shit most people sell. – These carts will not leak or breakdown. Tested with 100’s of carts. –Variable Voltage battery recommended 3.8-4 Volts (or 10-12 Watts). That setting works well without any discoloration or flavor issues.