Aira is a high quality vape cart. with THC concentrates ranging from 92% to 99% purity. Traditional distillation often leaves the final product with a diminished terpene amount that isn’t measurable, but Aira’s short path distillation process allows for high quality, accurately measured distillates. If you’re looking for a connoisseurs pen, you’ve found it. Each cartridge contains 555mg of a 1:1 ratio of CBD to THC.This refill comes loaded with premium distillate formulated in a 3:1 ratio of CBD and ACDC Hybrid.NOTE: These are ARE 510 thread.PLEASE NOTE: Aira products ONLY use plant extract terpenes and THC Distillates; no fillers, no dilution, no artificial colouring or sweeteners, no PG, VG, MCT, or vitamin E’s. If it doesn’t come from a plant, it’s not included in our product. Our clients health and safety is very important to us. We strive to provide the highest quality product not only in taste but also in safety.