When the sweet taste of saccharin is detected, the respirator has failed its fit test. The Allegro Saccharin Fit Test Kit offers OSHA-compliant testing of disposable and reusable dust and mist respirators. It includes polycoated hood, two nebulizers, sensitivity and fit test solutions, and instructions. Replacement solutions are in ampules. Each kit includes 6 test tubes per kit - each tube can test approx. 3-5 people. Currently on backorder - order today to assure you are one of the first to receive this kit when it becomes available!Do you order this product often and/or in large quantities? Check out our Large Order Program to save yourself time and money.