Gen 3 Retrofit Filter Kit 

Filter housing with 300 psi pressure relief valve and replaceable element. Gen 3 units sold after 4-19-2017 have sidewalls that allow you to screw the bracket directly into the sidewall. Installed between unit and nozzle circuit. Tubing from unit connected to port on pressure relief valve. Tubing from port marked “OUT” feeds nozzle circuit. Replace filter element annually or more frequently. READ AND FOLLOW INSTALLATION INSTRUCTIONS CAREFULLY!