Care by Design's 1:1 cartridge is their most psychoactive, inducing a relaxing and buzzing body effect that may not be suitable for some beginners. This ratio may also cause sleepiness, making it more suitable for the evening. Works with a standard 510 battery. From California-based Care by Design. An empty integrated cannabis vaporizer shall be properly disposed of as hazardous waste at a household hazardous waste collection facility or other approved facility. A spent cannabis cartridge shall be properly disposed of as hazardous waste at a household hazardous waste collection facility or other approved facility.