The No. 300P Poly Sprayers are constructed of high-density polyethylene. They have a funnel-top, which provides easy chemical pouring. They come with a 10? polypropylene pump, brass handle and extension tube with adjustable nozzle and five feet of wear-resistant hose. These sprayers can be used for spraying solutions of CalClean?, Special HD CalClean?, Alka-Brite?, Nu-Brite?, Cal-Brite? Plus and Evap Pow?r?-C on air conditioning cooling coils, air-cooled condensers, finned heating coils, refrigeration case or cooler coils, permanent air filters and other greasy, dirty surfaces.