Field King 190348 Max No-Leak Backpack Sprayer, 4 gal
Product Overview
The Field King 190348 Max is a 4 gal manual backpack sprayer with an internal pump, agitator paddles, Viton seals, and a reversible folding pump handle. It is intended for compatible herbicides, insecticides, fertilizers, and other water-soluble solutions.
Key Features:
- 4 gal tank capacity
- Internal pump design
- Built-in agitator paddles
- Spray pressure up to 150 PSI
- Included 25 PSI pressure regulator
- 21 in. stainless steel wand with Viton seals
- Lockable shut-off with removable in-line filter
- Four included nozzles
Common Uses:
- Landscape herbicide application
- Compatible insecticide and fertilizer application
- Water-soluble treatment products
Technical Specifications:
- Tank Capacity: 4 gal
- Maximum Spray Pressure: 150 PSI
- Regulated Pressure: 25 PSI with included regulator
- Wand Length: 21 in.
- Included Nozzles: Brass adjustable, two flat fan, and foaming
Use Notes:
Use only with compatible solutions. Follow the product label, required personal protective equipment, cleaning procedure, and sprayer instructions.
FAQ:
How much does the tank hold?
4 gal.
Can the pump handle be used from either side?
Yes, the folding handle reverses for left- or right-handed operation.
How many nozzles are included?
Four.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product information, helpful support, and convenient online ordering for lawn and landscape spraying equipment.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Field King 190348 Max No-Leak Backpack Sprayer, 4 gal
Field King 190348 Max No-Leak Backpack Sprayer, 4 gal
Product Overview
The Field King 190348 Max is a 4 gal manual backpack sprayer with an internal pump, agitator paddles, Viton seals, and a reversible folding pump handle. It is intended for compatible herbicides, insecticides, fertilizers, and other water-soluble solutions.
Key Features:
- 4 gal tank capacity
- Internal pump design
- Built-in agitator paddles
- Spray pressure up to 150 PSI
- Included 25 PSI pressure regulator
- 21 in. stainless steel wand with Viton seals
- Lockable shut-off with removable in-line filter
- Four included nozzles
Common Uses:
- Landscape herbicide application
- Compatible insecticide and fertilizer application
- Water-soluble treatment products
Technical Specifications:
- Tank Capacity: 4 gal
- Maximum Spray Pressure: 150 PSI
- Regulated Pressure: 25 PSI with included regulator
- Wand Length: 21 in.
- Included Nozzles: Brass adjustable, two flat fan, and foaming
Use Notes:
Use only with compatible solutions. Follow the product label, required personal protective equipment, cleaning procedure, and sprayer instructions.
FAQ:
How much does the tank hold?
4 gal.
Can the pump handle be used from either side?
Yes, the folding handle reverses for left- or right-handed operation.
How many nozzles are included?
Four.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product information, helpful support, and convenient online ordering for lawn and landscape spraying equipment.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Product Overview
The Field King 190348 Max is a 4 gal manual backpack sprayer with an internal pump, agitator paddles, Viton seals, and a reversible folding pump handle. It is intended for compatible herbicides, insecticides, fertilizers, and other water-soluble solutions.
Key Features:
- 4 gal tank capacity
- Internal pump design
- Built-in agitator paddles
- Spray pressure up to 150 PSI
- Included 25 PSI pressure regulator
- 21 in. stainless steel wand with Viton seals
- Lockable shut-off with removable in-line filter
- Four included nozzles
Common Uses:
- Landscape herbicide application
- Compatible insecticide and fertilizer application
- Water-soluble treatment products
Technical Specifications:
- Tank Capacity: 4 gal
- Maximum Spray Pressure: 150 PSI
- Regulated Pressure: 25 PSI with included regulator
- Wand Length: 21 in.
- Included Nozzles: Brass adjustable, two flat fan, and foaming
Use Notes:
Use only with compatible solutions. Follow the product label, required personal protective equipment, cleaning procedure, and sprayer instructions.
FAQ:
How much does the tank hold?
4 gal.
Can the pump handle be used from either side?
Yes, the folding handle reverses for left- or right-handed operation.
How many nozzles are included?
Four.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product information, helpful support, and convenient online ordering for lawn and landscape spraying equipment.






