The 4772-0 No. 300P Poly Sprayer is Constructed of High-Density Polyethylene. It has a Funnel-Top which Provides Easy Chemical Pouring and has a 3.5 Gallon Capacity. It comes with a 10" Polypropylene Pump, Brass Handle and Extension Tube with Adjustable Nozzle and 5' of Wear-Resistant Hose. This Sprayer can be used for Spraying Solutions of CalClean, Special HD CalClean, Alka-Brite, Nu-Brite, Coil Pow'r 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