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  • Home
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  • Benefits
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    • M4
    • M6
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    • Videos
    • New Customer
      • Quick start
      • Overview of parts shipped with the M4 Backpack Sprayer
      • Nozzle kit Overview
      • Assembly and final inspection
      • My4sons Quality Care
      • Top 10 reasons why the MY4SONS M4 is rated #1 on amazon
      • M4: Charging and rotary switch use
      • How to prime the M4 Backpack Sprayer using A garden Hose
    • New For 2026
      • New For 2026
      • Monster Cart
    • Part/Accessories
      • 14 ft telescoping wand video
      • 14ft telescoping wand adapting to other sprayers
      • M4 New super wide XXL water Tight Lid Seal
      • Wide Lid Preview
      • Spray Pistol
    • Electric
      • New Wireless Remote Control for the M4!
      • 2021 Electrical Upgrade Kit
      • Battery and Multimeter
    • Troubleshooting
      • Quick Fix#1 no power, no voltmeter lights
      • Quick Fix #2 no power but voltmeter lights on
      • 5 step diagnostic checklist
      • M4: Charging and rotary switch use
      • Is my battery good?
      • Solving a collapsing tank
    • Maintenance
      • The best way to wire the M4
      • Securing Shoulder Strap anchor screw
      • Changing the red valve handle piston
      • Getting rid of leaks
      • How to prime the M4 Backpack Sprayer
    • Part Replacement
      • Replacing the pump
      • Replacing a broken pump neck
      • Replacing the red and rotary switches
  • About Us and FAQ
    • A Message From Our Founder
    • Assembly and final inspection
    • Customer Testimonials
    • Contact us
    • FAQ
Log in
    MY4SONS
    • Home
    • Product Search
    • Benefits
      • Benefits
      • Testimonials
    • Discount Bundles
      • All Bundles
      • M4
      • M6
      • M4 + Agitator
      • M4 18-20V (DeWalt, Milwaukee, etc.)
      • M4 upgrade kits
        • Agitator upgrade kit
        • Battery upgrade kit
        • Electrical upgrade kit
      • M2
    • Parts & Accessories
      • New Products
      • Valve Handle Trigger
      • Batteries
      • Wands
      • Pumps
      • Nozzles
      • HYDRAULIC
        • WANDS (14ft telescoping, 4 boom, etc))
        • HOSE (15ft, Coiled, Standard, Elbow, etc)
        • NOZZLES (QR, Flexi, Fan, Cone, , Multinozzle, etc)
        • VALVES/PISTOLS
        • QUICK RELEASE/WASHERS/O-RINGS/ADAPTERS
        • Washers/O-rings
        • Quick Release
        • Adapters
      • ELECTRIC
        • Pumps
        • Switches
        • Batteries
      • STRUCTURAL
        • Lid
        • Filters
        • M4 Pockets and storage
        • Straps/Buckles
        • Base plate screws
        • Tanks
    • Videos
      • Videos
      • New Customer
        • Quick start
        • Overview of parts shipped with the M4 Backpack Sprayer
        • Nozzle kit Overview
        • Assembly and final inspection
        • My4sons Quality Care
        • Top 10 reasons why the MY4SONS M4 is rated #1 on amazon
        • M4: Charging and rotary switch use
        • How to prime the M4 Backpack Sprayer using A garden Hose
      • New For 2026
        • New For 2026
        • Monster Cart
      • Part/Accessories
        • 14 ft telescoping wand video
        • 14ft telescoping wand adapting to other sprayers
        • M4 New super wide XXL water Tight Lid Seal
        • Wide Lid Preview
        • Spray Pistol
      • Electric
        • New Wireless Remote Control for the M4!
        • 2021 Electrical Upgrade Kit
        • Battery and Multimeter
      • Troubleshooting
        • Quick Fix#1 no power, no voltmeter lights
        • Quick Fix #2 no power but voltmeter lights on
        • 5 step diagnostic checklist
        • M4: Charging and rotary switch use
        • Is my battery good?
        • Solving a collapsing tank
      • Maintenance
        • The best way to wire the M4
        • Securing Shoulder Strap anchor screw
        • Changing the red valve handle piston
        • Getting rid of leaks
        • How to prime the M4 Backpack Sprayer
      • Part Replacement
        • Replacing the pump
        • Replacing a broken pump neck
        • Replacing the red and rotary switches
    • About Us and FAQ
      • A Message From Our Founder
      • Assembly and final inspection
      • Customer Testimonials
      • Contact us
      • FAQ
    Log in Cart
    • Yellow Brass Adjustable Cone (200-400 micron)

      Yellow Brass Adjustable Cone (200-400 micron)

      Sale

      Yellow Brass Adjustable Cone (200-400 micron)

      Regular price $ 2.99 USD
      Regular price $ 3.99 USD Sale price $ 2.99 USD
      Unit price /  per 
      Sale
    • YELLOW MALE-MALE ADAPTER FOR PISTOL HANDLE AND ACID WAND (2)

      YELLOW MALE-MALE ADAPTER FOR PISTOL HANDLE AND ACID WAND (2)

      Sale

      YELLOW MALE-MALE ADAPTER FOR PISTOL HANDLE AND ACID WAND (2)

      Regular price $ 0.99 USD
      Regular price $ 1.99 USD Sale price $ 0.99 USD
      Unit price /  per 
      Sale
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    • User Manual For The M4
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    Final assembly and quality tested in the USA

    2 Year Warranty — 30 day returns for unused items minus the cost of shipping. / Patents Pending. / Please note that the M4 system is not compatible with muriatic acid.

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