

Chapin ProSeries Professional Backpack Sprayer, 4 Gallon
The Chapin 61800 4-gallon professional backpack sprayer is designed for landscape applications. The positional pump handle can be switched for left-or-right-hand use. It features chemical-resistant seals for harsher weed killers, pesticides, and fertilizers.
Multiple nozzles are included: adjustable brass, adjustable poly, and poly fan tip, and all can be switched out depending on the chemical application. Its 4-gallon, polyethylene tank is chemical-and rust-resistant. The backpack comes with Chapin's standard 3-stage filtration system: one filter inside the tank, one filter basket under the tank cap, and one at the shut-off. All are removable so they can be cleaned. Backed by Chapin's 2-year limited warranty and made in the USA with global materials.
- Landscape & Professional Lawncare
- 4 gallon durable, chemical-resistant poly tank
- 5.25” opening with filter cap to help catch debris when filling tank
- 3-stage standard filtration system: one filter is located in the shut-off, one inside the tank, and the basket with the tank cap; 3 different locations to catch debris before it clogs up your sprayer while working
- Adjustable padded shoulder straps, 20-inch poly extension wand and 48-inch reinforced hose, poly, cushioned grip, shut-off with lock-on feature
- Three spray nozzles included: dial your spray from coarse stream to shower with either the brass or poly nozzles, spray a fan with the poly fan tip spray nozzle
- Chemical-resistant elastomer seals handle professional fertilizers, pest and weed control products or general cleaning solutions
- Made in the USA with global materials and backed by US-based customer service and technical support
- Backed by Chapin's 2-year limited warranty
Specifications
- Model Number: 61800
- Tank Size: 4 gallons
- Tank Material: Poly
- Pump Type: Piston
- Seals: Chemical-resistant
- Nozzle Material: Brass, Poly
- Filter: 3-Stage (In-tank, Shut-off, Filter Basket)
- Handle: Right or Left Mount
- Handle Material: Powder Coated Steel
- Hose Length: 48 inches
- Hose Material: Reinforced PVC
- Wand Length: 20 inches
- Wand Material: Poly
- Operating Pressure: 40-60 PSI
- Flow Rate: 0.4-0.5 GPM
- Spray Stream Max Vertical: 23 feet
- Spray Stream Max Horizontal: 25 feet
- Dimensions (LxWxH): 15 x 8.75 x 22 inches
- Weight: 10.5 pounds
- Warranty: 2 year limited
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Chapin 61800 4-gallon professional backpack sprayer is designed for landscape applications. The positional pump handle can be switched for left-or-right-hand use. It features chemical-resistant seals for harsher weed killers, pesticides, and fertilizers.
Multiple nozzles are included: adjustable brass, adjustable poly, and poly fan tip, and all can be switched out depending on the chemical application. Its 4-gallon, polyethylene tank is chemical-and rust-resistant. The backpack comes with Chapin's standard 3-stage filtration system: one filter inside the tank, one filter basket under the tank cap, and one at the shut-off. All are removable so they can be cleaned. Backed by Chapin's 2-year limited warranty and made in the USA with global materials.
- Landscape & Professional Lawncare
- 4 gallon durable, chemical-resistant poly tank
- 5.25” opening with filter cap to help catch debris when filling tank
- 3-stage standard filtration system: one filter is located in the shut-off, one inside the tank, and the basket with the tank cap; 3 different locations to catch debris before it clogs up your sprayer while working
- Adjustable padded shoulder straps, 20-inch poly extension wand and 48-inch reinforced hose, poly, cushioned grip, shut-off with lock-on feature
- Three spray nozzles included: dial your spray from coarse stream to shower with either the brass or poly nozzles, spray a fan with the poly fan tip spray nozzle
- Chemical-resistant elastomer seals handle professional fertilizers, pest and weed control products or general cleaning solutions
- Made in the USA with global materials and backed by US-based customer service and technical support
- Backed by Chapin's 2-year limited warranty
Specifications
- Model Number: 61800
- Tank Size: 4 gallons
- Tank Material: Poly
- Pump Type: Piston
- Seals: Chemical-resistant
- Nozzle Material: Brass, Poly
- Filter: 3-Stage (In-tank, Shut-off, Filter Basket)
- Handle: Right or Left Mount
- Handle Material: Powder Coated Steel
- Hose Length: 48 inches
- Hose Material: Reinforced PVC
- Wand Length: 20 inches
- Wand Material: Poly
- Operating Pressure: 40-60 PSI
- Flow Rate: 0.4-0.5 GPM
- Spray Stream Max Vertical: 23 feet
- Spray Stream Max Horizontal: 25 feet
- Dimensions (LxWxH): 15 x 8.75 x 22 inches
- Weight: 10.5 pounds
- Warranty: 2 year limited









