CT Softwash LLC - Power Washing & Roof CleaningAddress: 919 Colonel Ledyard Hwy, Ledyard, CT 06339Phone: (860) 993-9770PSI and GPM: Do not pass up the indicating of PSI (kilos for each sq. inch) and GPM (gallon for every minute) values added to your strain washer And the way they affect the cleansing method. A particularly superior PSI and GPM pric