Battery Conversion Kit For Power Tool Batteries (Select One Option, Battery and Charger Not Included) adapters/washers Refer to the diagnostic section

Refer to the diagnostic section from the video pull down menu (top of main page) or text Lance at 707 478 2162 if you still need help

7x3 inch transparent hdpe spray shield with adjustable flow stainless steel cone nozzle

use following information to determine battery condition:

Lance demonstrates how to change out the M4 pump with a standard Philips Screw Driver and needle nose pliers in 30 minutes or less

Compatible with all MY4SONS backpack sprayers and nozzles

Battery Conversion Kit For Power Tool Batteries (Select One Option, Battery and Charger Not Included) adapters/washers Refer to the diagnostic sectionDo you own a DeWalt, Milwaukee, Makita, Bosch, Ridgid, Hercules, or Black and Decker battery powered tool and would like to use the same batteries to power your M4 sprayer? This kit includes everything you need to convert your existing My4sons Backpack sprayer to be compatible with any of the name brand 18 20 volt lithium ion batteries listed in approximately 30 minutes. Please select your preferred battery option. Installation instructions below: