DescriptionThis unit is suitable for Alkaline product (pH 7-14), not suitable for Acids, there can be used with our Elite Snow Foam, Valet Pro Snow Foams and Bilt Hamber Autofoam for example. Viton® seals offer maximum chemical resistance Convenient thumb lever spray control for precise coverage Automatic pressure relief safety valve Ideal for Snowfoam and foaming wheel cleaners Produces a thick foam, ideal for pre-washing1 x 2 Litre Foamer