The Curaleaf Premium 90% Vape Cartridge 20:1 Hybrid is a vape pen cartridge filled with highly refined cannabis oil with natural terpenes. Each cartridge contains 450mg of active cannabinoids. One slow controlled inhalation lasting 2 seconds delivers approximately 2.5mg of active cannabinoids. Inhalation is the fastest-acting method of administration with typical onset of effect within 90 seconds lasting for 2-3 hours. Vaporization delivers cannabinoids in a manner that can be accurately titrated for the right dose.