What's the Best Knapsack Sprayers Reviews & 2018 Buyer's Guide

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Best Knapsack Sprayers
We are offering you the TOP list of the best knapsack sprayers, available on the current market. Keep in mind that you can find every product from the list of the best knapsack sprayers at the marketplace.

Our rating list of TOP best knapsack sprayers is based on the most important factors. We took into account such things as the price, build quality, materials, average user score, and many other characteristics of every knapsack sprayers from the list. Nevertheless, we recommend you to make your own research to make sure that you will buy the most suitable product for you.

List of 10 Best Knapsack Sprayers of 2018

Name and Features Image Rating Details
1. Field King Professional 190328 No Leak Pump Backpack Sprayer
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.
Field King Professional 190328 No Leak Pump Backpack Sprayer
4.8
Read reviews
2. Roundup 190314 Backpack Sprayer
Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying and an in-line filter.
Roundup 190314 Backpack Sprayer
4.5
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3. Jacto Pjb-20 Backpack Sprayer
The pjb-20 has a removable lithium ion battery that will provide 8 hours or more of continuous spraying and comes with a separate charger that recharges in 4 hours or less.
Jacto Pjb-20 Backpack Sprayer
4.3
Read reviews
4. Roundup 190426 Commercial Backpack Sprayer
Heavy-duty poly wand with shut-off featuring comfort grip, lock for continuous spraying, nickel-plated poppet and an in-line filter.
Roundup 190426 Commercial Backpack Sprayer
4.3
Read reviews
5. Meditool Portable 5 Gallon Pressure Sprayer
Coming with 3 different nozzles, which are conical double nozzles, conical single nozzle and porous nozzle.
Meditool Portable 5 Gallon Pressure Sprayer
4.0
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6. Toyofmine 4 Gallon Knapsack Sprayer
The felt sealing washer at the top of air compartment ensures the pump to move easily and steadily as well as guarantees no leakage from the chemical tank.
Toyofmine 4 Gallon Knapsack Sprayer
3.5
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7. Brufer 72012 Backpack Sprayer
Lightweight and conveniently worn on the operator’s back like a backpack for maximum portability and ease of use.
Brufer 72012 Backpack Sprayer
3.5
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8. Elever Portable 5 Gallon Pressure Sprayer
3 different nozzles —– coming with 3 different nozzles, which are conical double nozzles, conical single nozzle and porous nozzle.
Elever Portable 5 Gallon Pressure Sprayer
3.0
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9. Fashine 20l Backpack Sprayer
121cm/47.2inch.
Fashine 20l Backpack Sprayer
3.0
Read reviews
10. Kindsells Portable 16l Pressure Backpack Sprayer
It can store 20l.
Kindsells Portable 16l Pressure Backpack Sprayer
3.0
Read reviews

 

 
№ 1. Field King Professional 190328 No Leak Pump Backpack Sprayer for Killing Weeds In Lawns and Gardens
 

Ease of use
5/5
 

Versatility
4/5
 

Performance
5/5
 

Value
5/5
 
Overall Brand Model Dimensions Weight Details
4.8
D.B. Smith 190328 15 x 22.5 x 9.5 inches 13.15 pounds
Check Price

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

 

 
The Good
4 nozzles included
Durable.21 inch poly w
Internal no leak pump design is safer
Easy access pump allows changing
The Bad
I tried but did not find any flaws.
 

 

 
№ 2. Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers and Insecticides, 4 Gallon
 

Ease of use
5/5
 

Versatility
4/5
 

Performance
4/5
 

Value
5/5
 
Overall Brand Model Dimensions Weight Details
4.5
Roundup 190314 9 x 15 x 22 inches 11.11 pounds
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Includes 3 nozzles for versatility: poly adjustable, high volume fan, and low volume fan. Viton seals and gaskets throughout the pump and shut-off for long lasting chemical resistance. Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying and an in-line filter. Adjustable padded straps with waist belt and built-in lumbar support. 4-gallon sprayer meets all your spraying needs (controlling weeds and pests, growing flowers and vegetables and cleaning decks and siding).

 

 
The Good
Heavy-duty poly w
4-gallon sprayer meets all your spraying needs
Viton seals
Includes 3 nozzles
Adjustable padded straps
The Bad
The material quickly gets wet under the rain.
 

What factors did you consider to make the list of the best knapsack sprayers?

To create this knapsack sprayers buying guide, we had to look through a myriad of user reviews and compare hundreds of products. As you might have noticed, choosing the best knapsack sprayers is a hard task nowadays: there are so many models on the market that comparing all available options may take weeks. Thanks to the TOP list of the best knapsack sprayers, you can spare your time and find a good product within an hour!

 

 
 

Ease of use
5/5
 

Versatility
4/5
 

Performance
5/5
 

Value
3/5
 
Overall Brand Model Dimensions Weight Details
4.3
Jacto PJB-20 15.1 x 7.7 x 21.2 inches 12.9 pounds
Check Price

The sprayer has 5 pressure settings with pressure lock, audible walking speed indicator, led display, auto shut-down, internal hydraulic agitator and battery level indicator. The pjb-20 has a removable lithium ion battery that will provide 8 hours or more of continuous spraying and comes with a separate charger that recharges in 4 hours or less. The 5.2 gallon pjb-20 is both ergonomically designed and the most advanced battery powered backpack sprayer in the world as a crop care tool for small farmers, nurserymen and christmas tree growers. The uv-resistant tank has a separate carry handle, accurate volume markings in gallons and liters, a 4.5″ fill opening with strainer, and capacity to add chemicals without having to premix solution.

A 53″ reinforced chemical resistant hose, field serviceable trigger valve with lock.22″ stainless steel wand with nozzle filter, and a four nozzle package makes spraying an easy job.

 

 
The Good
A 53″ reinforced chemical resistant hose
The pjb-20 has a removable lithium ion battery
The 5.2 gallon pjb-20 is both ergonomically designed
The uv-resistant tank has a separate carry handle
The sprayer has 5 pressure settings
The Bad
Hilariously high price.
Requires a lot of space.
 

How to receive a refund for a knapsack sprayers?

You can contact a customer support agent of marketplace and ask about a refund for your knapsack sprayers. If you received a broken or wrong knapsack sprayers, you should not have any problems with getting a replacement or refund. To avoid such situations, we recommend you to thoroughly read the description of a knapsack sprayers before making a purchase.

 

 
№ 4. Roundup 190426 Commercial Backpack Sprayer for Professionals Applying Weed Killer and Fertilizer, 4 Gallon
 

Ease of use
5/5
 

Versatility
3/5
 

Performance
5/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
4.3
Roundup 190426 9.5 x 15 x 22.5 inches 11 pounds
Check Price

Includes 4 nozzles for ultimate versatility: adjustable brass, high volume fan, low volume fan and foaming nozzle. 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. Very versatile sprayer – use for cleaning, sealing, fertilizing and controlling insects. Heavy-duty poly wand with shut-off featuring comfort grip, lock for continuous spraying, nickel-plated poppet and an in-line filter.

 

 
The Good
Heavy-duty poly w
Includes 4 nozzles
Viton seals
Adjustable padded straps
Very versatile sprayer
The Bad
The material is not flexible, so it is easy to break.
 

How much money do I need to waste on a new knapsack sprayers?

Keep in mind that the best knapsack sprayers will work for a long time. If you are going to use it on the daily basis, it is for your own good to buy a decent product. We strongly advise you against being very greedy. Buy the best knapsack sprayers that you can afford if you want to enjoy it.

 

 
№ 5. Meditool Portable 5 Gallon Pressure Sprayer Knapsack, 20l Pump Backpack Sprayer (5 Gallon)
 

Ease of use
2/5
 

Versatility
5/5
 

Performance
5/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
4.0
MEDITOOL 20.5 x 14.6 x 9.4 inches 7.05 pounds
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3 different nozzles: coming with 3 different nozzles, which are conical double nozzles, conical single nozzle and porous nozzle. So you have more choices to use the pressure sprayer knapsack to make your life better. No leak internal pump: the internal pump does the work of a piston or diaphragm backpack sprayer but also keeps your back dry. Viton seals and gaskets: the highest quality viton seals throughout for maximum chemical resistance. Perfect for herbicides, weed killers, insecticides, fertilizers, and more. Filtration basket: large tank opening with filtration basket keeps large debris out of tank while filling.

Product details: nozzle diameter: 2cm/0.78inch; top hole diameter: 11cm/4.3inch; hose length: 121cm / 47.2inch; wand length: 70cm / 27.3inch; full size: 51.5 x 37 x 24cm/ 20.1 x 14.4 x 9.4inch (h x l x w).

 

 
The Good
Viton seals
Product details
3 different nozzles
No leak internal pump
Filtration basket
The Bad
Inconvenient to use.
 

 

 
№ 6. Toyofmine 4 Gallon Knapsack Sprayer Backpack with 3 Nozzles
 

Ease of use
4/5
 

Versatility
5/5
 

Performance
3/5
 

Value
2/5
 
Overall Brand Model Dimensions Weight Details
3.5
Toyofmine YF-16A-14
Check Price

Structure being portable, modeling being scientific, chemical tank is designed as are shape according to human body physical characteristic. Operators don’t feel heavy even after long time operating. There a rocker bar fixer is designed to fix the rocker bar, which can also fix the spray rod erect. Making convenient for the storage of sprayer and for the carrying when operators ride and walk. With 3 kinds of nozzle-cone nozzle, dual cone nozzle, fan nozzle. The felt sealing washer at the top of air compartment ensures the pump to move easily and steadily as well as guarantees no leakage from the chemical tank.

Structure being unique and design being novel, air compartment has the characteristic of small manpower. Quick pressure arsing and high efficiency.

 

 
The Good
There a rocker bar fixer is designed
Structure being portable
Structure being unique
With 3 kinds
The felt sealing washer at
The Bad
It is good, but costly.
You will need a big enough car to transport it.
 

 

 
№ 7. Brufer 72012 Backpack Sprayer 4.2 Gallon (16l) Knapsack Sprayer for Garden Lawn Yard Farm and More (4.2 Gallon)
 

Ease of use
4/5
 

Versatility
4/5
 

Performance
3/5
 

Value
3/5
 
Overall Brand Model Dimensions Weight Details
3.5
BRUFER Quality Products 7.5 x 15 x 23 inches 8.45 pounds
Check Price

4 interchangeable nozzles for different spray patterns, including fan, conical, dual conical and 4-hole nozzle patterns. 5-inch wide mouth opening with removable strainer and non-drip valve cover. Lightweight and conveniently worn on the operator’s back like a backpack for maximum portability and ease of use. Comes with a heavy duty 5-foot hose and convenient carrying strap. 4.2 gallon (16l) capacity made from high grade polyethylene plastic to resist corrosion from insecticides, herbicides, and pesticides.

 

 
The Good
4 interchangeable nozzles
5-inch wide mouth opening
The Bad
It weighs a ton!
 

 

 
№ 8. Elever Portable 5 Gallon Pressure Sprayer Knapsack, 20l Garden Lawn Yard Backpack Sprayer with Multi-nozzles(us Stock)
 

Ease of use
4/5
 

Versatility
3/5
 

Performance
3/5
 

Value
2/5
 
Overall Brand Model Dimensions Weight Details
3.0
Elever 14.6 x 9.4 x 20.5 inches 7.19 pounds
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Viton seals and gaskets — the highest quality viton seals throughout for maximum chemical resistance. Perfect for herbicides, weed killers, insecticides, fertilizers, and more. Large capacity — 5 gallon 20l capacity.4.33″ wide mouth opening allows for easy filling and features a screen filter to keep dirt/debris out of tank. Backpack design — the sprayer comes with adjustable backpack strap, lets you carry heavy loads easily and ergonomically. Product details— hose length: 47.2inch, wand length: 27.3inch nozzle diameter: 0.78inch, top hole diameter: 4.3inch. Most parts has been assembled before shipping and there is a manual inside and more customer service by your side.

3 different nozzles — coming with 3 different nozzles, which are conical double nozzles, conical single nozzle and porous nozzle. So you have more choices to use the pressure sprayer knapsack to make your life better.

 

 
The Good
Large capacity —
Product details–
Backpack design —
3 different nozzles —
The Bad
It is a great product, but the price is too high.
 

 

 
№ 9. Fashine 20l Backpack Sprayer, 5-gallon Knapsack Hand Piston Pump Lawn Garden Farm Sprayers Backpack Garden Sprayer
 

Ease of use
3/5
 

Versatility
2/5
 

Performance
4/5
 

Value
3/5
 
Overall Brand Model Dimensions Weight Details
3.0
Fashine 20.5 x 14.6 x 9.4 inches 7.15 pounds
Check Price

Adjustable straps-backpack shoulder strap adjusts to fit a variety of back lengths, padded shoulder straps lets you carry heavy loads easily and ergonomically. 5 gallon/20l large capacity, enough volume for you to carry water. Durable and efficient backpack sprayer. Use it protect against pests, weeds and to spray fertilizer on your lawn, garden, farmland and more. Durable and sturdy-perfect manual pressure sprayer made of steel wand and hard polyethylene tank, suit for garden, lawn, yard, farmland watering, fertilizing, weed & pest control and more. Package content-1 x knapsack pressure sprayer.3 x spray head.1 x backpack strap.2 x metal washer.2 x pump handle retainer clip.1 x plunger cup.2 x glass ball.2 x 17mm washer.2 x slit pin.1 x manual.

Three nozzles-hose length: 121cm/47.2inch; wand length: 70cm/27.3inch; nozzle diameter: 2cm/0.78inch; top hole diameter: 11cm/4.3inch, allows for easy filling and features a filter to keep dirt/debris out of tank.

 

 
The Good
Three nozzles-hose length
5 gallon/20l large capacity
Adjustable straps-backpack shoulder strap adjusts
The Bad
The material is not flexible, so it is easy to break.
 

 

 
№ 10. Kindsells Portable 16l Pressure Backpack Sprayer Knapsack for Weed Chemical Garden, Farm, Lawns, Yard (us Stock) (20l, Green)
 

Ease of use
4/5
 

Versatility
2/5
 

Performance
2/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
3.0
Kindsells 7 ounces
Check Price

Package content: 1 x knapsack pressure sprayer.1 x backpack strap.2 x metal washer.2 x pump handle retainer clip.1 x plunger cup.2 x glass ball.2 x 17mm washer.2 x slit pin.1 x manual. Large capacity: it can store 20l. It is very convenient for you to use. Nozzle diameter: 2cm/0.78inch; full size: 51.5 x 37 x 24cm/ 20.1 x 14.4 x 9.4inch (h x l x w). Material: made of high quality polyethylene and steel. Durable, heavy duty and eco-friendly. Multiple functional: ideals for your garden, yard, farm and lawns.

 

 
The Good
Multiple functional
Package content
Nozzle diameter
Large capacity
The Bad
Assembling quality is below average.
 

Whether the lifetime warranty for a knapsack sprayers is useful?

The recommended warranty period for any product, including knapsack sprayers, depends on various factors, such as the use frequency, price, materials, and other details. Brands sell their most expensive products with a lifetime warranty, while the cheapest options come without any protection. We think that the optimal warranty period for a good knapsack sprayers should not be longer than five years.

Is getting a knapsack sprayers online safe?

The marketplace considered as one of the most reliable online store. Every knapsack sprayers on the website has detailed descriptions. Moreover, marketplace offers a money back guarantee if you get a wrong or malfunctioning item. You have no reasons to worry.

What is the optimal warranty period for knapsack sprayers?

Based on our experience, we think that a decent knapsack sprayers should have at least a two-year warranty. There are many expensive models that come with longer periods, but we do not think that it is necessary. Sometimes it is better to buy a new product instead of overpaying for a long warranty and repairing the old knapsack sprayers.

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