DB Smith 2 Gallon4-1/2" fill opening sizeNozzle made from polypropylenePatented foaming nozzleHigh efficiency pump 16479719Handheld Sprayer, Sprayer Type Handheld, Sprayer Application Cleaning and Degreasing, Sprayer Tank Capacity 2 gal., Sprayer Pressure Release Yes, Tank Material Polyethylene, In Tank Filter No, Hose Length 36 In., Fill Opening Size 4-1/2 In., Wand Material Polypropylene, Nozzle Spray Pattern Foaming, Adjustable Nozzle Yes, Sprayer Nozzle Material Polypropylene, Max Sprayer Pressure 45 psi, Wand Length 15 In.