Hudson 63184 Suprema Bak-Pak 4 Gallon Sprayer Poly No-leak uni-body tank design for added safety Large opening with filler filter keeps out debris Powerful, Easy-Stroke Pump - left or right handed pumping action with less work 48" Kem-Oil chemical resistant, braided power sprayer style hose Locking, comfortable poly Thrustless control valve with in-line filter Strong 18" curved brass spray wand Brass cone nozzle  adjusts from fine mist to long distance stream Comfortable padded straps and contoured tank design