Hold N’ Treat System. Total onboard, environmentally friendly, waste management system utilizing the best available Type I MSD treatment technology, legal for use in all waters., A 15 gallon holding tank combined with a Type I MSD capable of processing up to 140 gallons of waste per week. Locking switch to prevent accidental discharge., Standard Features, Satisfies discharge regulations in all U.S. waters, Complete “drop in place” system, Combination Type I and Type III MSD System , Benefits, Ultimate flexibility with deck pump-out or treated discharge, Legal for use in all waters, Simple flexible installation, Compact size, External tank level indicator controls system during Automatic operation, Includes a waste transfer pump to process waste from tank to Type I, Three modes of operation – Automatic, No-Discharge and Override, Easy to clean and maintain.