BESTEST INC.

BesTesT, Inc. is a small corporation located in America's heartland specializing in alcohol breath testing equipment. Our business has been servicing this industry since 1987. We manufacture mouthpieces to fit the Intoxilyzers S-D2 and S-D5, and Alco-Sensors. We carry the Guth Ultrp Saliva Trap, and PBT-Checktrap/Checktrap II mouthpieces as well. We also provide dry-gas calibration equipment and factory quality repairs on Intoxilyzer S-D2's and Alco-Sensors. We provide free shipping on all orders within the United States. When you call our toll free number 800-248-3244 you will reach a real person. No waiting or irritating commercials. Holly will provide instant answers to your breath testing questions, and help you with any other needs. We are here for you, our valued customer.