Skip to main content

Send Us a Message

Search

Vivosun Handheld Garden Pump Sprayer

Official VIVOSUN Dealer Model: WEB-SPray-08L-GJ
  • Available in 0.2 gallon or 0.4 gallon capacities to match your specific workflow size.
  • Adjustable brass nozzle handles both fine mist for foliar work and a column stream for reaching distance.
  • Integrated pressure release valve allows for safe venting before you open the tank to refill.
  • 1-year limited warranty
  • View More Details

Earn 19 points for shopping and get $0.19 off your next order. Join Harvest Club for free.

Questions? Talk to a specialist. Mon–Fri, 9am–5pm PST
Free Shipping On Most Items* To the lower 48
Transparent Pricing Backed w/ price match guarantee
Secure Checkout SSL encrypted payments

Send Us a Message

Ask Sage about this product
VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

Commercial Inquiry

Contact Information
THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are upgrading your manual misting setup because your hand cramps up from pulling a standard trigger all day.
  • You are switching to a compression-based sprayer because you need a steady, consistent output for your leaf treatments.

  • The internal seal holds pressure well, which means you spend less time pumping and more time working.
  • We recommend the 0.4 gallon version for larger spaces because the extra volume saves you from constant refills.

  • Users who spray seedlings by hand report that they stopped stressing about uneven coverage after switching to this.

Vivosun Handheld Garden Pump Sprayer

Standard trigger bottles need a squeeze for every spray, which quickly wears out your hand when you're misting a full tent or a row of seedlings. The Vivosun Handheld Garden Pump Sprayer uses compression instead. Pump the handle 15–20 times to pressurize the tank, then spray evenly with a light press of the trigger. Choose the compact 0.2 gallon (0.8L) or the larger 0.4 gallon (1.5L) size to match how much you spray.

The adjustable brass nozzle switches between two patterns: tighten it for a fine "shower" spray over foliage and seedlings, or loosen it for a straight "water column" stream that reaches further. The trigger switch controls flow and helps prevent leakage between sprays. A pressure release valve lets you safely vent the tank before refilling or storing. The translucent bottle has a printed calibration scale, so you can check levels at a glance and measure as you fill.

The Vivosun pump sprayer is built for horticulture, insect control, cleaning, and hygiene tasks. It handles plain water up to 131°F (55°C). Approved pesticides can also be applied when used according to the pesticide manufacturer's instructions and with proper protective gear; chemical solutions should stay below 104°F (40°C). Beyond plant, lawn, and garden care, it's useful for rinsing windows, wheels, and vehicle exteriors.

Features

💨
Pump-Pressurized Spray

15–20 pumps pressurize the tank for even spraying without constant squeezing.

🔧
Shower or Stream Nozzle

Tighten the brass nozzle for a fine shower; loosen it for a straight stream.

✋
Leak-Controlling Trigger

Ergonomic handle with a trigger switch for flexible spraying and leak control.

🛡️
Pressure Release Valve

Safely vent built-up pressure before refilling or storing the sprayer.

📏
Translucent Graduated Bottle

Calibration scale shows fluid level at a glance so you know when to refill.

🌿
Garden, Pest & Cleaning Use

Handles watering, approved pesticides, and cleaning, plus water up to 131°F.

Specifications

Specification Value
Capacity Options 0.2 gal (0.8L), 0.4 gal (1.5L)
Sprayer Type Handheld pump compression sprayer
Construction Tank + pump assembly (air pump, handle, piston)
Pressurizing 15–20 pumps per use
Nozzle Adjustable brass: shower spray (tightened) or water column (loosened)
Controls Trigger switch, pressure release valve
Bottle Translucent with calibration scale
Max Water Temperature 131°F (55°C)
Max Chemical Solution Temperature 104°F (40°C)
Applications Horticulture, insect control, cleaning, hygiene
Color Green

Warranty

The Vivosun Handheld Garden Pump Sprayer is covered by a 1-year limited manufacturer warranty from the original date of purchase.

Frequently Asked Questions

Which size should I choose, 0.2 gal or 0.4 gal? +

The 0.2 gallon (0.8L) sprayer is lighter and easier to maneuver for misting seedlings, houseplants, or a small tent. The 0.4 gallon (1.5L) holds nearly twice as much, so it's better for larger gardens or jobs where you'd rather refill less often.

How do I use the Vivosun pump sprayer? +

Fill the tank, secure the pump head, and pump the handle 15–20 times to build pressure. Then press the trigger to spray. Before first use, do a trial spray with clean water to check the tank, hose, switch, and nozzle for leaks.

How do I switch between mist and stream? +

Rotate the brass nozzle. Tightening it produces a "shower" spray that's ideal for foliage and seedlings, while loosening it produces a straight "water column" stream for longer reach.

Can I use it to apply pesticides? +

Yes. The sprayer is designed for insect control as well as general horticulture. Follow the pesticide manufacturer's mixing instructions exactly, and wear a mask, protective clothing, waterproof gloves, and boots. Don't use strong acids, alkalis, or flammable solutions, never spray toward people or animals, and keep chemical solutions below 104°F (40°C).

How do I clean the sprayer after use? +

Wash the outside of the sprayer, add clean water to the tank, then pump and spray until the water comes out clean. Rinse the spray head with water and never use a hard object to clear the nozzle. Afterward, lubricate the spray head's O-ring.

What maintenance does it need? +

After every ½–2 months of regular use, or after long storage, coat the O-rings on the safety valve and piston with Vaseline or a low-viscosity grease. This keeps the pump sealing properly and prevents pressure problems.

Why is my sprayer leaking or spraying weakly? +

Check that the seal rings at each joint are tight and undamaged, and clean the filter screen on the suction hose and the nozzle if they're blocked. Pump again to restore air pressure. If pressure stays very low, the piston O-ring may be worn or the waterproof washer may have come loose. If it sprays air instead of water, the suction hose inside the tank may have detached and needs to be reseated.

How should I store the sprayer? +

Release the pressure in the tank first, then store the sprayer indoors in a dry place, away from heat sources and direct sun, and out of reach of children.

Happy To Help

Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

Why Trimleaf

Equipping home growers, craft producers, and commercial operations across North America since 2016.

10+
Years of Specialist Knowledge
4.8★
1995+ Verified Reviews
50,000+
Growers Served
120+
Top Equipment Brands in Stock