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Emissions Depot® is your source for any and all kinds of emission test equipment. Keep your auto shop or emissions test facility up-to-date with new and reliable components for your DAD smog machine. We have a large selection of Bar-OIS smog parts, including scanners, computer carts, pre-testers and more. Add more efficiency to your workflow through the use of a wireless barcode scanner and wireless DAD unit. We also supply cost-effective USB-wired scanners and OBD extension cables for those working on a budget. Emissions Depot® offers free shipping on all orders over $100, making it even easier for you to save money and get the emission test equipment that you need to run an effective business. If you have any questions as you consider your many options, please don’t hesitate to contact one of our friendly and knowledgeable representatives today. Shop our selection of Bar-OIS smog parts and equipment below.