No Varroa Pro Oxalic Acid Vaporizer | Blythewood Bee Co.The No Varroa Pro oxalic acid vaporizer is the heavy duty version of our standard NoVarroa vaporizer, built to work through a larger bee yard. It treats a colony in one short cycle, and anti tip side wings keep it stable inside the hive. Features Heavy duty build: made for back to back treatments across a bigger operation. Anti tip side wings: keep the vaporizer stable and upright inside the hive. Single cycle treatment: treats a colony in one short