How many gallons does it hold?

The tank holds 4 gallons when full; it has graduated markings of 1, 2, and 3 gallons also. When full, it weighs 50 pounds. The back pack makes it feel like less than that once you have it on your back. This is most easily done if you set it on a bench top or table top, and then "slip" into the harness.

Has anyone had any experience with using this sprayer for a stain or oil based product for spraying/staining a split rail fence?

use a $20.00 plastic cheaPO 1 gallon pump spray worth it for large deck saves serious time ive done this 5 plus times solvents and stayin etc usually ruin pump in hours make sure finish same day b/c next day pump might be junk

what is the difference bet 190328 and 190348

The 190328 Field King backpack has adjustable padded shoulder straps and durable poly wand; whereas, the 190348 Field King Max backpack has a deluxe padded harness with a full back pad, wide support waist belt and chest cinch strap. It also features a 21" poly-lined stainless steel wand and foldable pump handle making it easier to transport and store. They both have the internal No Leak pump, Viton seals, lockable shut-off with removable filter, and 4 nozzles. Please let us know if you have any other questions. You can also call us at 1-800-311-9903. Thank you for your interest in our products.

will it work for Organic fertilizers? Using Fertilizers that have some tiny solids.

I haven't used it for organic fertilizers but as long as the solids are soluble in water, it should work. If they are not soluble, they will likely clog up the spray head.

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FIELD KING 190328 Backpack Sprayer, 4 Gallon, with Internal No Leak Pump Design Delivers 150 PSI

FIELD KING 190328 Backpack Sprayer, 4 Gallon, with Internal No Leak Pump Design Delivers 150 PSI

Product ID: 2710026

Details

Brand
Field King
Color
White
Material
Polyethylene
Recommended Uses For Product
Spraying Weed
Tank Volume
4 gallons

💧4 Gallon tank capacity

🔧Internal No Leak Pump, no drips

🚀Delivers up to 150 PSI pressure

€ 371.90

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Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Spray Like a Pro, Stay Ahead of the Lawn Game!

POWERFUL PRECISION - Sprays up to 150 PSI, reaching even the toughest spots with professional-grade pressure.
STAY DRY WORK SMART - Internal No Leak Pump design keeps chemicals off your back and clothes for safer, cleaner use.
COMFORT MEETS CONTROL - Adjustable padded straps, waist belt, and lockable brass shut-off reduce fatigue during extended use.
EFFORTLESS MAINTENANCE - Tool-free seal changes in minutes with premium Viton seals—7x faster than competitors.
VERSATILE SPRAY OPTIONS - Includes 6 specialized nozzles plus TeeJet compatibility for every spraying need, from fine mist to jet stream.

The FIELD KING 190328 Backpack Sprayer is a 4-gallon, professional-grade sprayer featuring an internal no-leak pump that delivers up to 150 PSI. Designed for safety and efficiency, it includes 6 versatile nozzles, quick tool-free maintenance, and ergonomic straps for all-day comfort—making it the top choice for precise, clean, and powerful lawn and garden spraying.

Specifications

ASIN	B000AYHKUO
Best Sellers Rank	#2,137 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #16 in Lawn & Garden Sprayers
Brand Name	Field King
Color	White
Customer Reviews	4.5 4.5 out of 5 stars (6,739)
Global Trade Identification Number	00841688002586, 30841688002587
Hose Length	21 inches
Included Components	6 Nozzles, professional stainless steel wand
Item Dimensions W x H	9.5"W x 22.5"H
Item Type Name	Backpack Sprayer
Item Weight	12.8 pounds
Manufacturer	Fountainhead Sprayers
Manufacturer Part Number	190328
Material Type	Polyethylene (PE)
Maximum Pressure	150 psi
Model Name	FIELD KING 190328 Backpack Sprayer, 4 Gallon
Model Number	190328
Number of Items	1
Power Source	Manual
Recommended Uses For Product	Spraying Weed And Herbicides Killers
Style Name	Base Model, Manual
Tank Volume	4 gallons
UPC	841688002586 094716169090 657819404606
Unit Count	1 Count

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€ 371.90

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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