CW-37™ is a phosphate-free, biodegradable cleaner that removes dirt, road film, and salt quickly, efficiently, and thoroughly in automatic, semi-automatic, and hand car washes. Economical, highly concentrated with 1:400 dilution. Formulated to prevent brush marks. High-foaming cherry-scented formula, excellent for foam cannons. Will not remove wax. 1 US Gal = 3.785L.