Chapin 63900 4 Gallon Self-Cleaning Backpack Sprayer With Hand Sprayer Combo


  • $114.99
    Unit price per 
Shipping calculated at checkout.

  • Backpack features 4-Gallon translucent tank with extra wide 6-inch mouth opening for easy filling and cleaning
  • Patented JetClean self-cleaning pump technology with 3-stage filtration system to keep filter clog-free from debris and residue
  • Stainless-steel wand with cushion grip poly shut-off and 3 nozzles: fan, cone and adjustable brass
  • Swing-away handle for right or left hand use, folds up for storage. Padded shoulder straps and back pad


  • General Purpose Cleaning
  • Fertilizers
  • Weed & Feed
  • Fungicides
  • Herbicides
  • Pesticides

Product Summary

Best in class, ease and innovation combined, the Chapin Self-Cleaning Backpack sprayer is loaded with features for the DIY Homeowner yet rugged enough for the Professional. Boasting the innovative and patented JetClean, self-cleaning pump technology, that directs a powerful burst of liquid through the tank filter with each downward pump stroke. The filter stays free of debris – virtually eliminates clogging! The benefits continue with a 4-Gallon translucent poly tank that has an extra-wide, 6-inch mouth opening for easy filling and cleaning, a 3-stage filtration system, cushion grip poly shut-off, 3 nozzles for a variety of applications and a stainless-steel wand. Another innovative feature is the swing-away pump handle that can be set up for either right or left-hand use and it folds up when you’re done, providing more compact storage. Padded shoulder straps and back pad will give you hours of comfortable spraying. Compatible with common fertilizers, weed killers and pesticides.

Technical Specs

Model Number 63900
Tank Size 4 Gallon
Tank Mouth Opening 6 Inches
Tank Construction Plastic
Pump Type Piston over diaphragm
Hose Length 48 Inches
Hose Material Clear reinforced
Shut-Off Material Poly cushion-grip
Shoulder strap Deluxe padded straps with lumbar support
Warranty 5 Year Limited
Spray/Flow Rate (GPM) .4-.5 gpm
Nozzle(s) adjustable brass cone, poly-fan, poly-cone,
Filters Self-cleaning, handheld comes with in-tank filter
Frame Chrome-plated steel
Handle Right or left mount
Shipping Weight In Pounds 7
Package Dim. In. (LxWxH) 8.25 x 8.25 x 18.2
Item Dim. In. (LxWxH) 8 x 8 x 18
Item Weight In Pounds 10.5
Extension Wand Material stainless steel
PSI - Operating Pressure 40-60 PSI
Extension Wand Length
20 Inches
Spray Stream Max Vertical
23 Feet
Spray Stream Max Horiz.
25 Feet
Seal Material

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