Top 9 Weed Killer Backpack Sprayer – Lawn & Garden Sprayers

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1. D.B. Smith

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Field King 190328 Backpack Sprayer, 4 Gallon,

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D.B. Smith #ad - Easy access pump allows changing of seals in just minutes with no tools. Also accepts Tee Jet nozzles. Premium, lockable shut off with brass components and an in-line filter. 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. 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. Internal no leak pump design is safer to use chemicals will not drip down your back.
BrandD.B. Smith #ad
ManufacturerFountainhead Sprayers #ad
Height9.5 Inches
Length15 Inches
Weight12.8 Pounds
Width22.5 Inches
Part Number190328
Model190328

2. Roundup

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

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Roundup #ad - Adjustable padded straps with waist belt and built-in lumbar support. Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying and an in-line filter. Includes 3 nozzles for versatility: poly adjustable, high volume fan, and low volume fan. 4-gallon sprayer meets all your spraying needs controlling weeds and pests, growing flowers and vegetables and cleaning decks and siding. Viton seals and gaskets throughout the pump and shut-off for long lasting chemical resistance.
BrandRoundup #ad
ManufacturerRoundup #ad
Height22 Inches
Length9 Inches
Weight10 Pounds
Width15 Inches
Part Number190314
Model190314

3. Chapin International

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

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Chapin International #ad - Compatible with common fertilizers, weed killers and pesticides. 3-stage filtration system with in-tank removable/cleanable filter. 4-gallon translucent tank with 4-inch wide mouth opening for easy filling and cleaning. Padded shoulder straps to accommodate a full backpack for hours. Cushion grip poly shut-off with three nozzles for a variety of applications.
BrandChapin International #ad
ManufacturerChapin International #ad
Height22.2 Inches
Length14.8 Inches
Weight9.2 Pounds
Width8.4 Inches
Part Number61800
Model61800
WarrantyComes with Manufacturer Warranty.

4. Chapin International

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CHAPIN 61500 Backpack Sprayer for Fertilizer, 4 gal

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Chapin International #ad - Compatible with common fertilizers, weed killers and pesticides. 4-gallon 4-inch wide mouth opening, translucent tank for easy filling and cleaning. Seal material - Nitrile. Padded shoulder straps to accommodate a full backpack for hours. Poly shut-off with 2 nozzles: adjustable poly cone and fan tip. 2-stage filtration system, one filter at the top and another filter at shut-off.
BrandChapin International #ad
ManufacturerChapin International #ad
Height18.25 Inches
Length17.25 Inches
Weight10.6 Pounds
Width9.75 Inches
Part Number61500
Model61500

5. Petra

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Super Strength Concentrate 3X More Than Others, for Herbicides, Fertilizer & Weed Killer, Blue Mark Spray Indicator for Home and Commercial Sprayer Use 32 oz, PetraTools Blue Herbicide Lawn Dye

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Petra #ad - You also avoid skipped areas, or possible burns from inaccurate spraying of chemicals. With its extremely visible blue color, you can quickly locate the liquid products applied on your lawn and clogged nozzles or blockages in your sprayer.

This is a super concentrate that requires 3X’s less marker per gallon compared to other lawn dyes so that you get 3X’s the value for your money. From our all-natural spray liquids to our battery-powered backpack sprayers, and offer the best-in-class US-based customer support for all your spraying needs. It naturally disappears with rainfall and exposure to sunlight and doesn’t stain your shoes, clothes, or pets. 3x super concentrate blue marker: petratools sprayer’s blue is a highly concentrated water soluble spray colorant for fertilizers, herbicides, and weed killer products.

And with a concentrate that is 3x’s stronger, plant damage, you get even more value for your money. Saves you time spraying! Helps you save and maximize liquid products and money. Petratools offers guaranteed products: petratools is a family-owned & operated u. S. 100% safe to Use, and the environment. Your satisfaction guaranteed or your money back.
BrandPetra #ad
ManufacturerPetra #ad
Part Number001

6. Field King

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White, 4 gal , Field King 190515 Professionals Battery Powered Backpack Sprayer

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Field King #ad - Up to 4 hours of spray duration on a single charge or 50 gallons of liquid with 8002 nozzle. Fully padded back harness for all day spraying comfort. 18 volt lithium-ion 2. 1 ah battery charges in 3.

5 hours charger included. Premium, lockable shutoff; 21 inch poly wand; and the highest quality Viton seals for chemical resistance. Not designed for use with wettable powders. No pumping required while using with liquids and water soluble solutions. Pre-set spraying pressure at 40 psi, 02 gpm, for typical landscape applications with 8002 nozzle. Interchangeable Battery system. Powder-coated Steel frame for durability and chemical resistance. Also accepts tee jet nozzles. 4 nozzles included: brass adjustable, low volume flat fan, high volume flat fan, and foaming nozzle. Triple filtration system prevents clogging during use and enables pump longevity.
BrandField King #ad
ManufacturerThe Fountainhead Group, Inc. #ad
Height22.5 Inches
Length10 Inches
Weight14.15 Pounds
Width15 Inches
Part Number190515
Model190515
Warranty1 Year

7. Field King

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

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Field King #ad - 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. Easy access pump, change seals in just minutes with no tools. Premium, lockable shut off with brass components and an in-line filter. Durable, 21 inch stainless steel wand with the highest quality Viton seals for chemical resistance. Also accepts TeeJet nozzles. Internal no leak pump design is safer to use - chemicals will not drip down your back.
BrandField King #ad
ManufacturerFountainhead Sprayers #ad
Height9.5 Inches
Length15 Inches
Weight12.8 Pounds
Width22.5 Inches
Part Number190348
Model190348

8. Field King

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4 gallon, White , Field King 190350 Backpack Sprayer for Weed Control

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Field King #ad - Durable, 21 inch poly wand with the highest quality Viton seals for chemical resistance. Premium, lockable shut off with brass components and an in-line filter. Also accepts TeeJet nozzles. 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. High pressure external style piston pump. Built-in carry handle with wand storage and a harness with adjustable padded straps, waist belt and chest cinch strap.
BrandField King #ad
ManufacturerFountainhead Sprayers #ad
Height8.63 Inches
Length15 Inches
Weight10 Pounds
Width22.5 Inches
Part Number190350
Model190350
Warranty5 year warranty

9. Chapin International

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Chapin International 63985 Black & Decker Backpack Sprayer, 4 gal, Translucent White

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Chapin International #ad - Note: charge battery fully before first use. 4-gallon tank with 6-inch wide mouth funnel for easy filling and cleaning. This shut off does not have a lock-on/lock-off feature. Cushion grip shut-off with three nozzles for a variety of applications. Features a black & decker 20-volt Lithium ion Battery for up to 1. 75 hours of continuous spraying. Note: kindly refer user manual and instructional video before use. Spray stream max vertical: up to 27-feet. Straps for prolonged use. 35-40 psi with a 20-foot maximum horizontal spray stream.
BrandChapin International #ad
ManufacturerChapin International #ad
Height22 Inches
Length14.8 Inches
Weight9.5 Pounds
Width8.8 Inches
Part Number63985
Model63985