Gas Generators, Calibrators & Mixers Categories CAC Gas provides multiple solutions for creating on-site customized gas standards. A variety of options are available from Peak, ACD, and Alytech. Click the links below to see products for each product category. AlyTech Gas Mixers & Diluters View More Peak Gas Generators View More ACD Gas Generators/Calibrators View More Request a quote Request a quote today for our speciality gas products for your specific needs. We provide the highest quality products, application expertise & exceptional customer support. Request a Quote