61813: 4-Gallon Lawn & Landscape Pro Backpack Sprayer


  • $113.99
    Unit price per 
Shipping calculated at checkout.

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The Chapin Lawn/Landscape Pro Sprayer is a good choice for the homeowner and professional landscaper.

  • Control Flow Valve Technology - continuous spray stream at 21 psi and more efficient use of chemicals
  • 4-gallon  translucent tank
  • 4" wide mouth opening for easy filling and cleaning
  • Compatible with common fertilizers, weed killers and pesticides
  • 3-Stage filtration system with in-tank removable/cleanable filter
  • Poly shut-off with 3 nozzles: fan, cone and adjustable brass
  • Poly wand and pump handle - can be set for right or left-hand use
  • Padded shoulder straps for hours of comfortable spraying

Applications: weed and pest control, fungus control, fertilizing

Documents & Support

Chapin 61813 Lawn & Landscape Pro Backpack Sprayer Product Manual
Chapin Warranty Information 
Backpack Sprayer Technical Support Videos


Technical Specs

Model Number 61813
Tank Size 4-gallon
Tank Mouth Opening 4-inches
Tank Construction poly
Pump Type piston
Hose Length 48-inches
Hose Material clear reinforced
Shut-Off Material poly
Shoulder strap s
Warranty 5 Year Limited
Spray/Flow Rate (GPM) .4-.5 gpm
Nozzle(s) adjustable brass cone, poly-fan, poly-cone,
Filters 3-stage
Frame powder-coated steel
CFV features CFV
Handle right or left mount
Shipping Weight In Pounds 10.5
Package Dim. In. (LxWxH) 15.0 x 9.25 x 22.15
Item Dim. In. (LxWxH) 14.75 x 9.0 x 21.9
Item Weight In Pounds 10.5
Extension Wand Material poly
PSI - Operating Pressure 40-60 psi
Spray Stream Max Vertical
Extension Wand Length
Spray Stream Max Horiz.

*Spray distance is dependent on many factors such as adjusted nozzle orifice size, tank pressure, wind interference and angle of inclination. Spray distances may vary based on user's specific application.