Hudson 63183 Yard & Garden Bak-Pak 3 Gallon Sprayer Poly Hudson Yard & Garden Back-Pak 3gal Large Back-Pak Style for Bigger Jobs: No-leak unit-body tank design Kim-Oil braided power sprayer style hose -our most chemical resistant Metal Root-valve control valve - rotates 360 degrees for ergonomic comfort Large Bak-Pak style sprayer for bigger jobs No leak, uni-body design. Strong 18" curved brass spray wand. Brass cone nozzle--adjusts from fine mist to long distance stream Left or right handed pumping action. Padded straps and contoured tank design. Filler filter keeps out debris Kem-Oil chemical resistantBraided Power Sprayer style hose Metal Roto-Valve control--rotates 360 degrees for ergonomic comfort