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

The Roundup 190314 Backpack Sprayer provides a 4-gallon capacity for applying fertilizers, herbicides, weed killers, and insecticides around lawns, gardens, and flower beds. Designed to carry chemicals on your back, it helps property owners tackle larger weed control and pest management jobs without constant refills.

Built for durability, the sprayer uses Viton seals and gaskets throughout the pump and shut-off assembly to prevent chemical degradation over time. The heavy-duty poly wand features an ergonomic comfort grip, an in-line filter to prevent clogging, and a trigger lock for continuous spraying. You also get three interchangeable nozzles: a poly adjustable nozzle, a high-volume fan nozzle, and a low-volume fan nozzle to tailor your application for broad coverage or tight target areas.

Carrying a full tank requires decent physical support, which is addressed through adjustable padded shoulder straps, an integrated waist belt, and built-in lumbar support. Note that the listing does not specify the dry weight of the unit or the length of the attached hose, so buyers who need exact dimensions beforehand will need to keep that in mind.

Verdict: This 4-gallon backpack sprayer is a practical choice for homeowners needing chemical-resistant equipment for yard care, gardening, and pest control. Its combination of comfortable harness support and versatile nozzles makes it well suited for routine property maintenance.

• Capacity: 4 Gallons
• Wand Material: Heavy-duty poly
• Seals & Gaskets: Viton chemical-resistant
• Included Nozzles: Poly adjustable, high volume fan, low volume fan
• Harness System: Adjustable padded straps with waist belt and lumbar support

A great fit if you:

• Need to apply fertilizers, weed killers, herbicides, or insecticides across larger yards or gardens.
• Want multiple spray pattern options, including adjustable, high-volume fan, and low-volume fan nozzles.
• Prefer a backpack sprayer with integrated lumbar support, padded shoulder straps, and a waist belt.

Consider something else if you:

• Require detailed specifications on hose length or dry unit weight before purchasing.
• Only need to spray small indoor houseplants where a 4-gallon capacity is unnecessary.

What liquids can be used with this sprayer?
It is designed to apply fertilizers, herbicides, weed killers, and insecticides. The pump and shut-off feature Viton seals and gaskets specifically built for long-lasting chemical resistance against standard lawn and garden liquids.

What nozzles come included in the box?
You get three distinct nozzles: a poly adjustable nozzle for changing spray patterns, a high-volume fan nozzle for broader surface coverage, and a low-volume fan nozzle for precise area application.

How does the sprayer wand support continuous spraying?
The heavy-duty poly wand features a shut-off mechanism with a lock setting for continuous spraying, alongside a comfort grip and an in-line filter to help keep debris out of the spray path.