Chapin ProSeries 4 gal Sprayer Backpack SprayerThe Chapin Euro Style Backpack Sprayer has the traditional look and feel of a backpack sprayer with padded shoulder straps for a close fit to the back and a standard left hand pump handle. UPC: 023883615000 Manufacturer Part No: 61500 Brand Name: Chapin Sub Brand: ProSeries Adjustable Spray Tip: Yes Product Type: Backpack Sprayer Packaging Type: Boxed Shoulder Strap: Yes Applicator Type: Sprayer Hose Material: Clear Reinforced Spray Flow Rate (GPM): .