Rug & Upholstery Shampoos: Nothing cleans interior of your car better than our Rug/Carpet & Upholstery Shampoos. They are easy to use, safe and economical. We also offer a low and high foaming carpet shampoo that leaves absolutely no residue in carpets and are designed to quickly cut through the tough grime and hard to clean grease stains. Low foaming carpet shampoo is ideal for extractor machines. Today's carpet require very little chemical to clean, so we recoommend that you dilute product 1 part chemical with 3 part water and use it as pre-spotter on heavily soiled area and lightly mit other areas. Then use hot water and a good stiff briste brush to scrub the carpet and wet vacuum it to dry it. The one can use air freshener or odor neutalizer to make the carpet smell fresh.