The market is filled up with a variety of 4 gallon backpack sprayer, but the best 4 gallon backpack sprayer that suits your needs can be a bit difficult to find. But, if you leave it in the hands of experts, like us, then you can be assured that you will land up with a reliable and trusted 4 gallon backpack sprayer. So, without wasting any further time, let’s dive into the article.

We spent hours scouring the internet for the best 4 gallon backpack sprayer, reading reviews and pulling from our own personal experiences to bring you our list of the top ten available on the market right now. We have presented a variety of options, so that there’s something out there for everyone. If you ask us personally, then the ultimate choice, that we would recommend you is Rainmaker Backpack Sprayer – For Home and Garden Applications, Lightweight, Adjustable Shoulder Straps, 4 gal. (16L). If you are looking for something a bit on the cheaper side, then you have got your SOLO 425 4-Gallon Professional Piston Backpack Sprayer, Wide Pressure Range up to 90 psi. For the rest options, read the article till the very end.

All ten of the options on our list have their own unique features that make them great, it’s up to you to decide which one makes the most sense for you. if you are looking for an efficient and effective 4 gallon backpack sprayer, our comparison chart should be of great help to you. Here is our comparative guide to the 4 gallon backpack sprayer available as well as our recommendations

Best 4 gallon backpack sprayer

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Product Title
Score

Chapin 60114 4-Gallon Poly Backpack Sprayer with 3-Stage Filtration System for Fertilizers, Herbicides, Weed Killers and Pesticides
9.8

Field King 190328 Backpack Sprayer, 4 Gallon,
9.5

Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers & Insecticides, 4 Gallon , White
9.3

SOLO 425 4-Gallon Professional Piston Backpack Sprayer, Wide Pressure Range up to 90 psi
8.9

PetraTools 4 Gallon Battery Powered Backpack Sprayer – Extended Spray Time Long-Life Battery - New HD Wand Included, Wide Mouth Lid, Multiple Nozzles & Battery Included
8.5

Rainmaker Backpack Sprayer - For Home and Garden Applications, Lightweight, Adjustable Shoulder Straps, 4 gal. (16L)
8.1

Field King Max 190348 Backpack Sprayer for Professionals Applying Herbicides , White , 4 gallon
7.6

VEVOR Battery Powered Backpack Sprayer, 0-90 PSI Adjustable Pressure, 4 Gallon Tank, Back Pack Sprayer with 8 Nozzles and 2 Wands, 12V 8Ah Battery, Wide Mouth Lid for Weeding, Spraying, Cleaning
7.4

CHAPIN 61800 4Gal Backpack Sprayer with Adjustable and Fan Nozzle , 4-Gallon, Translucent White
7.3

Jacto HD400, 4 Gallon No Leak Backpack Sprayer with Heavy Duty Pump, For Lawns and Gardens - Color, Blue
6.7

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Product Title

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

9.8

Field King 190328 Backpack Sprayer, 4 Gallon,

9.5

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

9.3

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

8.9

PetraTools 4 Gallon Battery Powered Backpack Sprayer – Extended Spray Time Long-Life Battery - New HD Wand Included, Wide Mouth Lid, Multiple Nozzles & Battery Included

8.5

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

8.1

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

7.6

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

7.4

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

7.3

Jacto HD400, 4 Gallon No Leak Backpack Sprayer with Heavy Duty Pump, For Lawns and Gardens - Color, Blue

6.7

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


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

$69.99
$59.99
 in stock
Amazon.com
as of March 29, 2023 6:12 am

Features

  • 4-GALLON POLY TANK: translucent, chemical-resistant tank
  • FILTER CAP: included with 4-inch tank opening to help catch debris when filling
  • FILTRATION SYSTEM: 3-stage is standard on Chapin backpack sprayers – cap, shut-off and pump
  • COMFORT: 20-inch poly extension wand to reach difficult areas, padded shoulder straps with waist strap and poly shut-off
  • NOZZLE: adjustable poly cone for streams or sprays

Field King 190328 Backpack Sprayer, 4 Gallon,


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Field King 190328 Backpack Sprayer, 4 Gallon,

$100.00
$84.97
 in stock
11 new from $84.97
Free shipping
Amazon.com
as of March 29, 2023 6:12 am

Features

  • Internal No Leak Pump design is safer to use chemicals will not drip down your back. Internal piston pump delivers up to 150 PSI
  • 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
  • Premium, lockable shut off with brass components and an in-line filter.
  • Easy access pump allows changing of seals in just minutes with no tools
  • 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. Also accepts Tee Jet nozzles.

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


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

$83.99
$74.98
 in stock
Amazon.com
as of March 29, 2023 6:12 am

Features

  • 4-Gallon sprayer meets all your spraying needs (controlling weeds and pests, growing flowers and vegetables and cleaning decks and siding)
  • Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying and an in-line filter
  • 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
  • Includes 3 nozzles for versatility: poly adjustable, high volume fan, and low volume fan

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


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

$102.13  in stock
23 new from $99.99
Free shipping
Amazon.com
as of March 29, 2023 6:12 am

Features

  • Easily spray liquid disinfectants, fertilizers, herbicides, pesticides with Solo's high-performance piston pump for tree, shrub and plant protection
  • 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, Fan Spray, Hollow Cone, Jet Stream nozzle and is TeeJet compatible
  • 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

PetraTools 4 Gallon Battery Powered Backpack Sprayer – Extended Spray Time Long-Life Battery – New HD Wand Included, Wide Mouth Lid, Multiple Nozzles & Battery Included


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PetraTools 4 Gallon Battery Powered Backpack Sprayer – Extended Spray Time Long-Life Battery - New HD Wand Included, Wide Mouth Lid, Multiple Nozzles & Battery Included

$249.99
$199.99
 in stock
2 new from $199.99
Free shipping
Amazon.com
as of March 29, 2023 6:12 am

Features

  • Never pump again: Sprays For 6-8 hours on a single battery charge or over 200 gallons of solution so that you can spray all day on a single charge without worrying about pumping. 70 PSI pump with adjustable pressure knob. The 8AH lead-acid battery provides 4X the battery life of most other 2.0 lithium battery sprayers. If needed, the battery can be changed quickly. Includes a fully-automatic AC charger that completely charges the battery in 8 hours. (BATTERY AND CHARGER INCLUDED!)
  • PetraTools HD4000 #1 Customer Support: PetraTools wants to make sure that you are 100% satisfied with your PetraTools HD4000 Sprayer and will help any way they can. Other sprayers provide EXTREMELY limited support on Amazon but not PetraTools. Quality control testing and final assembly on each sprayer completed at PetraTools testing centers in the USA!
  • New PetraTools Heavy Duty wand included: Meet all your spraying needs with the all new PetraTools Heavy Duty plastic wand. Includes plastic squeeze handle with locking mechanism.
  • Wide mouth lid - Large wide mouth lid allows for easy filling with screen filter to keep dirt & debris out of the tank. Includes multiple different nozzle attachments! The secondary lid allows for easy storage of nozzles.
  • Translucent tank with gallon markings: The translucent tank with gallon markers allows you to easily see how much solution you’re mixing in and how much is left in the tank. Variable PSI pressure adjuster allows you to control your perfect spray.

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


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

$53.64  in stock
4 new from $53.13
Free shipping
Amazon.com
as of March 29, 2023 6:12 am

Features

  • Includes four interchangeable sprayer nozzles for different applications
  • Trigger with a lock-on option can be engaged for a continuous spraying
  • This sprayer has an integrated filter included and a 4 ft. hose
  • Manual pump backpack sprayer is ideal for large jobs
  • Padded shoulder straps for added comfort

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


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

$116.00
$106.99
 in stock
12 new from $106.98
Free shipping
Amazon.com
as of March 29, 2023 6:12 am

Features

  • Internal No Leak Pump design is safer to use - chemicals will not drip down your back.
  • 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.
  • 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. Also accepts TeeJet nozzles.

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


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

$109.99
$99.99
 in stock
2 new from $99.99
Free shipping
Amazon.com
as of March 29, 2023 6:12 am

Features

  • No More Hand Pumping: Spraying has never been easier! VEVOR backpack sprayer battery powered features a durable 8Ah lithium-ion battery, which can spray for 4-6 hours straight from just one charge. The max. 90 psi pressure of the pump allows the flow rate to reach up to 4.1L/min. The 4 Gal/15 L capacity is large enough to meet your daily needs, saving you labor and time. Time to spray your worries away!
  • Multiple Nozzles Available: This electric backpack sprayer 4 Gallon comes with 8 nozzles and 2 wands, giving you more options to choose how you spray! The brass wand features an adjustable length of 21.5"-39.4", and the plastic wand is suitable for bleaching agents and other corrosive liquids. 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.
  • Comfortable Shoulder Strap: Our weed killer sprayer features a shoulder strap for maximum comfort and portability. The widened straps and the cushion added to the back improve the softness and comfort. So you don't have to bear fatigue and soreness after long-time work. Get ready to work smarter, not harder.
  • User-friendly Designs: Every detail for this battery operated sprayer is designed for your convenient use. The enlarged water inlet with a filter screen helps you add liquid easier, and the translucent tank with gallon markers lets you know the inner capacity clearly. Besides, the handle features a grommet, making it lockable to spray continuously without fatigue.
  • Handle Any Spraying Tasks: Not only serve as sprayers in lawn and garden, our back pack sprayers are ideal for indoor and outdoor yard spraying needs like watering, gardening, general cleaning, washing, pet bathing, disinfecting, and many other applications. Hooray, it's time to spray. Are you ready?

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


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

$101.42  in stock
2 new from $101.42
Free shipping
Amazon.com
as of March 29, 2023 6:12 am

Features

  • Compatible with common fertilizers, weed killers and pesticides
  • 4-Gallon translucent tank with 4-inch wide mouth opening for easy filling and cleaning
  • 3-Stage Filtration system with in-tank removable/cleanable filter
  • Cushion grip poly shut-off with three nozzles for a variety of applications
  • Padded shoulder straps to accommodate a full backpack for hours

Jacto HD400, 4 Gallon No Leak Backpack Sprayer with Heavy Duty Pump, For Lawns and Gardens – Color, Blue


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Jacto HD400, 4 Gallon No Leak Backpack Sprayer with Heavy Duty Pump, For Lawns and Gardens - Color, Blue

$124.99  in stock
3 new from $124.99
Free shipping
Amazon.com
as of March 29, 2023 6:12 am

Features

  • HIGHLY EFFICIENT - The HD400Blue sprayer only takes 6 pumps to reach 45 PSI up to 65 PSI - Can be configured for right or left hand operation
  • EASY HANDLING - With paddle agitation, the HD400 easily handles liquid and wettable powder herbicides, pesticides and fungicides for weed control and crop protection. Even kaolin clay products such as Surround works with the HD400
  • SAFE FOR OPERATOR - The inline piston pump, mounted inside the tank, reduces the exposure of the operator to chemicals, is fitted with a Santoprene piston seal and was tested exceeding 1500 hour service life.
  • 4 GALLON TANK - Has a 4.1" opening, deep strainer, molded carry handle, accurate volume markings in gallons and liters and capacity to add chemicals without having to premix the total solution.
  • INCLUDES - A 65" reinforced chemical resistant hose, trigger valve with lock and strainer, 22" stainless steel wand with nozzle filter and adjustable nozzle makes spraying a comfortable job.

This article was created with a hope that you will able to find the best 4 gallon backpack sprayer, suiting your requirements and we wish that we were able to succeed in our mission to do so. If you are looking for a cheap 4 gallon backpack sprayer because you will be making limited use of it, go for the Field King Max 190348 Backpack Sprayer for Professionals Applying Herbicides , White , 4 gallon which will give you what you pay for. That being said, don’t forget to share the article with your friends and keep visiting geekydeck.com for more such informative and reviews articles.