The 100P Poly Sprayer is constructed of high-density polyethylene. It has a funnel top which provides for easy chemical pouring and has a one gallon working capacity. It comes with a 10" polypropylene pump, brass handle and extension wand with adjustable nozzle, a wear-resistant hose and a pressure relief valve. The No. 100P Poly Sprayer should be used for the dedicated spraying Cal-Shield on air conditioning cooling coils, air-cooled condensers, finned heating coils, and refrigeration case or cooler coils, that have been cleaned with Cal-Brite, Nu-Brite, Alka-Brite Plus or any other Nu-Calgon coil cleaner. Also suitable when a one gallon sprayer is desired for applying Nu-Calgon cleaners.