FIELD KING 190328 Backpack Sprayer, 4 Gallon, with Internal No Leak Pump Design Delivers 150 PSI
Best for
Best overall
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 1 trusted source
Current price
$88.97
Updated Jun 27, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Field King 190328 is the most consistently recommended hand-pump backpack in this pool. High-trust r/lawncare threads explicitly call it 'one of the top backpack sprayers,' citing its 150 PSI ceiling and internal no-leak pump design, and the product listing and homedepot.com both highlight that the internal pump keeps chemicals from dripping down your back along with Viton seals for chemical durability. The 4.5-star average across roughly 6,690 Amazon ratings lines up with that community sentiment rather than contradicting it.
What reviewers liked
- High-trust r/lawncare threads repeatedly rank it among the best backpack sprayers
- Internal no-leak pump keeps chemicals off the operator's back per the listing and homedepot.com
- Reaches 150 PSI with durable Viton seals for chemical resistance
- Strong 4.5/6,690 Amazon average corroborated by retailer reviews
Where it falls short
- Manual pumping fatigues users over long sessions, per community threads
- Reviewers note backpack sprayers are hard to drain completely
- No battery convenience compared with powered rivals at a similar price
Embed our score
Sell this product? Show off the rank.
Free badge for the brand, retailer, or anyone covering this product. Copy the snippet and paste it anywhere HTML works. Updates automatically when the ranking changes.
Includes a credit link back to this page. No tracking; no JavaScript.
Across the reviewers we read, the Field King 190328 is the most consistently recommended hand-pump backpack in this pool. High-trust r/lawncare threads explicitly call it 'one of the top backpack sprayers,' citing its 150 PSI ceiling and internal no-leak pump design, and the product listing and homedepot.com both highlight that the internal pump keeps chemicals from dripping down your back along with Viton seals for chemical durability. The 4.5-star average across roughly 6,690 Amazon ratings lines up with that community sentiment rather than contradicting it.
The trade-off reviewers name honestly is that this is still a manual sprayer: you pump to build pressure, which forum members with acre-plus properties say is manageable but tiring over long sessions. Where battery converts complain about dead pumps, Field King owners' main complaints center on the wand/nozzle and the usual difficulty fully draining the tank. For buyers who want serious pressure, replaceable seals, and a no-leak design without battery dependence, the trust-weighted consensus puts this at the top.
- 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
- Includes 6 Nozzles
- adjustable brass, high volume wide fan (brown), low volume wide fan (red), low volume narrow fan (yellow), jet stream (orange) and foaming (black). Also accepts TeeJet nozzles.
$85 Field King 190328 - also regarded as one of the top backpack sprayers, 150 psi, and no leak pump. I was also thinking maybe the $30 ...
It worked fine. FFWD to tonight and I mixed 4 gallons of a pesticide solution in it. I got about 1/2gallon into it and it died the exact same ...
Trust tier reflects our editorial assessment of the source, not the individual quote. Hover for the rationale. See how we tier sources →
“Field King Backpack Sprayer for Yards Review” · YouTube
If the consensus convinced you
Check current price on Amazon
Pricing and availability change frequently. Tap through to confirm before buying.