Klean Strip GKPA30220 Phosphoric Prep and Etch, Liquid, Green, 1.25 gal, Can

Use to remove rust from iron and steel surfaces. Treats metal surfaces, including galvanized and aluminum, to allow better paint adhesion. Helps insure good paint adhesion. Inhibits flash rusting. One gallon treats about 800 sq-ft.Unit: GALUPC: 03019230220