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  • Existing customers check out our DeWalt / Milwaukee / Makita / Black and Decker / Bosch Battery Upgrades for the backpack you already own

    DeWalt/Milwaukee/Makita Options
  • 15% holiday discount active now on all items

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  • Now offering shipping to Canada

    Buy now

Existing customers check out our DeWalt / Milwaukee / Makita / Black and Decker / Bosch Battery Upgrades for the backpack you already own

DeWalt/Milwaukee/Makita Options

15% holiday discount active now on all items

Buy Now

Now offering shipping to Canada

Buy now
#1 Rated M4 Battery Powered Backpack Sprayer **31,000 Sold**
#1 Rated M4 Battery Powered Backpack Sprayer **31,000 Sold**
#1 Rated M4 Battery Powered Backpack Sprayer **31,000 Sold**
#1 Rated M4 Battery Powered Backpack Sprayer **31,000 Sold**
#1 Rated M4 Battery Powered Backpack Sprayer **31,000 Sold**
#1 Rated M4 Battery Powered Backpack Sprayer **31,000 Sold**
MY4SONS

#1 Rated M4 Battery Powered Backpack Sprayer **31,000 Sold**

Sale price $ 229.99 Regular price $ 249.99
Customize Your Sprayer! →

SAY GOODBYE TO MANUAL PUMPING FOREVER!

The M4 Automatic Battery-Powered Backpack Sprayer* is the top-rated 4-gallon sprayer on the market, providing the most power, control, and reliability. This best-selling system is designed to be versatile, durable, inexpensive, and easy to use. 

The M4’s adjustable pressure, variable nozzle output, and extra-long wand virtually eliminate over spray and make the M4 a top choice for everyone, from DIYers and CEOS to line workers and industry professionals. (Call Paige with any questions 707-331-0971)

Enjoy the versatility of the M4 for:

TOP TEN REASONS WHY THE M4 IS RATED #1

MY4SONS CUSTOMERS LOVE THESE

2021 New Items For The M4

Nozzle Kit Overview

Nozzle Update for 2021

Top 10 Reasons Why the M4 Is Rated #1

LANCE SHOWING THE QUICK START METHOD FOR THE M4

LANCE SHOWING THE CONTENTS OF THE BASIC M4

HOW TO PRIME THE #1 RATED M4

Scorpion King Testimonial

New Watertight Lid

QUALITY CARE