Top 10 Backpack Sprayer 4 Gallon – Lawn & Garden Sprayers

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1. D.B. Smith


Field King 190328 Backpack Sprayer, 4 Gallon,

D.B. Smith #ad - Premium, lockable shut off with brass components and an in-line filter. 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. Easy access pump allows changing of seals in just minutes with no tools. Internal no leak pump design is safer to use chemicals will not drip down your back. Durable, 21 inch poly wand with the highest quality Viton seals can be used with Wet table powders and liquids for all applications does the work of both a piston and diaphragm backpack. Also accepts Tee Jet nozzles. Internal piston pump delivers up to 150 PSI.
BrandD.B. Smith #ad
ManufacturerFountainhead Sprayers #ad
Height9.5 Inches
Length15 Inches
Weight12.8 Pounds
Width22.5 Inches
Part Number190328

2. Chapin International


Weed Killers and Pesticides, Chapin 60114 4-Gallon Poly Backpack Sprayer with 3-Stage Filtration System for Fertilizers, Herbicides

Chapin International #ad - 4-gallon poly tank: translucent, chemical-resistant tank. Comfort: 20-inch poly extension wand to reach difficult areas, padded shoulder straps with waist strap and poly shut-off. Chemical compatibility: nitrile seals for standard fertilizers, pesticides and weed control. Nozzle: adjustable poly cone for streams or sprays. Warranty: 1-year limited on parts. Filtration system: 3-stage is standard on Chapin backpack sprayers – cap, shut-off and pump. Filter cap: included with 4-inch tank opening to help catch debris when filling.
BrandChapin International #ad
ManufacturerChapin #ad
Height22 Inches
Length15 Inches
Width9 Inches
Part Number60114

3. Roundup


Roundup 190314 Backpack Sprayer for Fertilizers, Weed Killers & Insecticides, 4 Gallon , White, Herbicides

Roundup #ad - Viton seals and gaskets throughout the pump and shut-off for long lasting chemical resistance. Adjustable padded straps with waist belt and built-in lumbar support. Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying and an in-line filter. 4-gallon sprayer meets all your spraying needs controlling weeds and pests, growing flowers and vegetables and cleaning decks and siding. Includes 3 nozzles for versatility: poly adjustable, high volume fan, and low volume fan.
BrandRoundup #ad
ManufacturerRoundup #ad
Height22 Inches
Length9 Inches
Weight10 Pounds
Width15 Inches
Part Number190314



SOLO 425 4-Gallon Professional Piston Backpack Sprayer, Wide Pressure Range up to 90 psi

SOLO #ad - Easily spray liquid disinfectants, fertilizers, pesticides with Solo's high-performance piston pump for tree, herbicides, shrub and plant protection. Designed with a commercial shut-off valve that securely locks in either the on or off position to minimize user fatigue, the pump handle is interchangeable for left or right-hand operation.

Solo's rugged metal frame with an extra-large tank opening makes it easy to fill and clean quickly. Thoughtfully designed with Viton seals placed in key locations to ensure long service and durability. Solo’s 425 backpack sprayer includes a 20-inch unbreakable wand that securely connects to a 48-inch nylon-reinforced high-pressure hose for an extended reach. Four easily changeable commercial-grade spraying nozzles-Plastic Adjustable, Hollow Cone, Fan Spray, Jet Stream nozzle and is TeeJet compatible.
BrandSOLO #ad
ManufacturerSolo #ad
Height15 Inches
Length9 Inches
Weight10.3 Pounds
Width20 Inches
Part Number10207
Warranty1-year limited warranty

5. Field King


4 gallon, Field King Max 190348 Backpack Sprayer for Professionals Applying Herbicides , White

Field King #ad - 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. Durable, 21 inch stainless steel wand with the highest quality Viton seals for chemical resistance. Premium, lockable shut off with brass components and an in-line filter. Easy access pump, change seals in just minutes with no tools. Internal no leak pump design is safer to use - chemicals will not drip down your back. Also accepts TeeJet nozzles.
BrandField King #ad
ManufacturerFountainhead Sprayers #ad
Height9.5 Inches
Length15 Inches
Weight12.8 Pounds
Width22.5 Inches
Part Number190348



For Home and Garden Applications, Lightweight, Adjustable Shoulder Straps, 4 gal. 16L, Rainmaker Backpack Sprayer

RAINMAKER #ad - Manual pump backpack sprayer is ideal for large jobs. This sprayer has an integrated filter included and a 4 ft. Includes four interchangeable sprayer nozzles for different applications. Padded shoulder straps for added comfort. Hose. Trigger with a lock-on option can be engaged for a continuous spraying.
ManufacturerHawthorne Hydroponics, LLC #ad
Height23 inches
Length18 inches
Width7 inches
Part Number708902
WarrantyManufacturer's 1 year warranty

7. Centurion


Centurion 269 Multi-Hand Backpack Garden Sprayer, 4-Gallon

Centurion #ad - 20 inch wand with 59” rubber hose. Large 4 inch tank Opening. Reinforced Hose Clamp. Comfortable backpack straps with pads. Ergonomic Back Curve. Large heavy duty 4 gal tank. Easy handle lock for continuous spray. 4 different spray nozzles. Multi-hand piston pump - left or right use. 60 psi pump and Spray.
BrandCenturion #ad
ManufacturerCenturion Garden and Outdoor Living #ad
Height21.65 Inches
Length15.16 Inches
Weight4.89 Pounds
Width9.84 Inches
Part Number269
WarrantyLimited lifetime



0-90 PSI Adjustable Pressure, Cleaning, Spraying, VEVOR Battery Powered Backpack Sprayer, Back Pack Sprayer with 8 Nozzles and 2 Wands, 4 Gallon Tank, Wide Mouth Lid for Weeding, 12V 8Ah Battery

VEVOR #ad - Get ready to work smarter, not harder. The 4 gal/15 l capacity is large enough to meet your daily needs, saving you labor and time. Handle any spraying tasks: not only serve as sprayers in lawn and garden, gardening, and many other applications.

No more hand pumping: spraying has never been easier! vevor battery powered sprayer features a durable 8ah lithium-ion battery, which can spray for 4-6 hours straight from just one charge. The enlarged water inlet with a filter screen helps you add liquid easier, the handle features a grommet, and the translucent tank with gallon markers lets you know the inner capacity clearly. The widened straps and the cushion added to the back improve the softness and comfort.

User-friendly designs: every detail for this water sprayer is designed for your convenient use. Are you ready? The water pressure can be easily adjusted from 0 to 90 psi via the knob. Our garden sprayer will meet your various spraying needs with no trouble. The max. 90 psi pressure of the pump allows the flow rate to reach up to 4. 1l/min. Comfortable shoulder strap: our weed sprayer features a shoulder strap for maximum comfort and portability.
BrandVEVOR #ad
ManufacturerVEVOR #ad
Height8 Inches
Length19 Inches
Weight12.6 Pounds
Width13 Inches
Part NumberBackpack Sprayer 4 Gallon 2
ModelBackpack Sprayer 0-90 PSI

9. Chapin International


4-Gallon, CHAPIN 61800 4Gal Backpack Sprayer with Adjustable and Fan Nozzle , Translucent White

Chapin International #ad - Cushion grip poly shut-off with three nozzles for a variety of applications. Made in the USA. Padded shoulder straps to accommodate a full backpack for hours. 4-gallon translucent tank with 4-inch 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.
BrandChapin International #ad
ManufacturerChapin International #ad
Height22.2 Inches
Length14.8 Inches
Weight9.2 Pounds
Width8.4 Inches
Part Number61800
WarrantyComes with Manufacturer Warranty.



WOEKBON 4 Gallon Battery Powered Backpack Sprayer Electric Garden Pump Sprayer with Lithium Battery for Long Time Spray Brass Telescope Wand and Multiple Nozzles for Spraying Cleaning

WOEKBON #ad - The surprise is that it only consumes 03 kwh of electricity and can attain excellent atomization result. Creats high pressure and has an extenden service life. Light-weight. Configuration: the sprayer comes with a diaphragm pump which is compact in size.

Equipped with a 12v/8Ah lithium batter, this sprayer eliminates the need to pump. This sprayer can be operated continuously for up to 5 hours and spray 400liter -500liter of liquid. Effective filtration mesh: Built-in filtration mesh isolates large unwanted particles of power and protects internal components of this pump sprayer from any damage. The supplied charging socket can be used as a 12 volt power supply in addition to charging unit. Appearance: smooth and steamline appearance. The sprayer is ergonomically designed to conform to the human back.

Making it easy to carry. New design handle, more comfortable when using. Design of large diameter water. Features: the use of weather-resistant engineering plastics and special rubber carefully built water, electrical separation, strong self-absorption, stable performance, mute, good sealing performance, low energy consumption, long service life and so on. It features a pressure protection switchmicro switch to protect the battery.
BrandWOEKBON #ad
Manufacturerzhenyi #ad
Height21.65 Inches
Length15.55 Inches
Width8.27 Inches
Part NumberBS80001