Comparing the Two Best Backpack Sprayers Available

Best Backpack Sprayer

An introduction to choosing the best backpack sprayers

Are you looking for the best backpack sprayer to save your plants from weeds and pests? Owning a backpack sprayer is essential for every plant lover home as it provides comfort. Pulling the weeds directly from the earth or killing the pest is time-consuming and not the easiest solution. The perfect solution to these problems is purchasing a backpack sprayer. However, finding the best backpack sprayer can sometimes be challenging, given that there are many backpack sprayers available in the market. To help you protect your garden, we would like to provide a product comparison between the two top backpack sprayers. All you have to do is to read this write-up and select the one that meets your needs.

At a Glance Comparison of the Best Backpack Sprayer:

9.26 lbs
12.75 lbs

Chapin 61900 Commercial Backpack Sprayer

The Chapin 61900, with its deluxe features, is an ideal choice for turf professional, landscape, and homeowner. The filtration system of Chapin 61900 consists of three stages along with a removable in-tank filter to avoid clogging. The total capacity of this backpack sprayer is four-gallon; as such, it can cover a large area. Further, it features practically leak-proof, so you do not have to worry about chemicals running down your back when spraying it.

The tank is semi-transparent with four inches mouth opening; as such, it makes the filling and cleaning significantly straightforward, and there is no need to open the mouth to check the fluid level. The Chapin 61900, with its three nozzles and padded shoulder straps, allows for an extensive range of diverse applications. Moreover, you can check the pressure with the pressure gauge located on the shut-off.

Pros and Cons


  • The Chapin 61900 is a budget-friendly product.
  • The pump of this backpack sprayer features both right-handed and left-handed operations.
  • It offers lumbar support.
  • The shut-off assembly of the Chapin 61900 comes with a cushion grip and a built-in pressure gauge.
  • It also features a triple filtration system to reduce clogging.


  • The mouth opening can be small for users with large hands.
  • The replacement parts for this backpack sprayer are quite expensive.

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Field King Professional 190328 Backpack Sprayer

This backpack sprayer performs the work of a diaphragm or piston backpack sprayer. It features an exclusive no leak pump design that keeps your clothes dry and free of chemical while spraying it. The paddles of this backpack sprayer mix the contents of the tank, always ready to spray. Moreover, the pump comes with Viton seals, which you can easily change without the use of any tools. Besides, the Field King 190328 features a comfortable grip and lockable trigger to lessen hand exhaustion.

The Field King 190328, with its 150 PSI operating pressure, is capable of spraying a wide range of areas, including those hard to reach areas. It also comes with adjustable padded straps, chest cinch strap, and a waist belt that ensure comfort while handling the sprayer.

Another essential feature of the Field King 190328 relates to its multiple nozzles, which include adjustable brass nozzle, narrow flat fan nozzle, wide flat fan nozzle, and foaming nozzle. You can also attach TeeJet nozzles to enhance the functionality of this backpack sprayer. The tank of this backpack sprayer has a built-in handle with wand storage, and the filtration system features a removable in-line filter that keeps free of large debris while filling. Besides, the easy access pump of this sprayer allows you to change the seals quickly without the use of any tools.

Pros and Cons


  • You can attack the pump handle on both the left and right sides.
  • This backpack sprayer can build pressure up to 150 PSI.
  • It is easy to assemble.
  • It features no leak pump design.
  • This model comes with four nozzles, and it is also compatible with TeeJet nozzles.
  • The Field King 190328 comes with a durable poly wand along with high-quality Viton seals.
  • The replacement parts for this model are readily available.
  • It is a budget-friendly product.


  • The Field King 190328 does not come with lumbar support and pressure gauge.
  • The back strap of this backpack sprayer requires some improvements.
  • You will have to pump for constant spray pressure continually.

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Specifications and Details of Both the Backpack Sprayers

Chapin International
Field King
Tank Capacity
4 Gallon
4 Gallon
Hose Length
48 inches
28.12 inches
Adjustable Brass, 4 Nozzle System
Adjustable Brass, 4 Nozzle System, Accepts TeeJet Nozzles
Tank Material
PSI-Operating Pressure
40-60 PSI
150 PSI
Spray Rate
0.4-0.5 GPM
0.25 GPM
3-Stage of Filtration System with Removable in-tank Filter
Removable In-build Filter
Wand Material
Stainless Steel
Chemical Compatibility
Fertilizers, WeedKillers, and Pesticides
Weed Killers, Bleach, Selective and Non-Selective Herbicides, Insecticides
5-Year Limited
1-Year Limited
Product Dimensions
12 x 7 x 7 inches
15 x 22.5 x 9.5 inches

Our Pick of the Best Backpack Sprayer

To sum up, both the Chapin 61900 and Field King 190328 have their own merits and demerits. For instance, if you are looking for substantial flexibility in spray patterns, then the Field King 190328 will be the best choice. But you should note that the Field King 190328 does not have lumbar support; as such, it will be less comfortable than the Chapin model that features lumbar support. Now that you are quite familiar with the features and applications, choosing between these two backpack sprayers is entirely up to you, however our choice is the Field King Backpack Sprayer.

The last few decades have marked a significant increase in the production of backpack sprayers. Nowadays, there are different kinds of backpack sprayers available in the market that ranges from the high price to budget-friendly products. The number of choices is overwhelming when it comes to selecting the best backpack sprayer. Nevertheless, with the right information and guidance, you can choose the right product.

Did this guide help you? Let us know in the comments or check out our other detailed reviews and buying guides to help you save money and get the right product for your garden!

About Seth 58 Articles
Hey, Seth here! As a homesteader and self sufficient farmer, my main interests are in gardening, tree care and lawn care. There is nothing I appreciate more than having a beautiful and healthy home garden. I spend most of my days gardening, caring for my small orchard and a few animals that I keep. I thoroughly enjoy working on my garden as well as sharing tips and experiences with people who have the same passion. My education in environmental science and technology has also led me to explore agriculture from a different perspective and exchange information with people from around the world.

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