LegacyPro EcoPro Black & White Paper Developer, 1 Quart (Makes 2.5 - 3.75 Gallons) Designed to shorten processing time and minimize water usage as well as chemical wastage FREE of acetic acid, perfume, dye, EDTA, DTPA, metol, hydroquinone, borates phosphates, and known carcinogens and mutagens Designed for highest archival standard Allows creative controls such as image tone and toner response Allows extended tray and shelf life