VEVOR RV Water Pump, 12V DC 6 GPM (22.7 L/min), 4-Chamber Self-Priming Diaphragm Water Pump with Automatic Pressure Switch, 70 PSI Max Pressure, On Demand for RV, Caravan, Marine, Yacht, Car Washing

Yes it's ok for use If this answer does not resolve your current issue, please contact us again for assistance.

High concentrations of herbicides are not a major problem. Herbicides are weakly acidic liquids, and long-term use will definitely corrode rubber. Therefore, after use, you should rinse the rubber with clean water to extend its service life.