Roller wash is an excellent replacement for flammable toxic petroleum based roller washes. A small amount cleans rollers. No hazardous materials fee. Please see www.cspoguegraphics.com for further information on how to use this product, as well as Dwight’s YouTube channel that has ample information and video tutorials on the use of the D&S products. You can also check out Dwight’s book, Printmaking Revolution. Item SKU 1346 on our website.