For toughest applications, choose Member's Mark Commercial Heavy Duty Degreaser. This top-of-the-line, premium degreaser quickly dissolves grease and attacks soils on contact, requiring less labor. Oil, grease and dirt are lifted off surfaces allowing fast and easy cleaning. Specifications Proforce is now Member's Mark Commerical Same quality formula, fresh new look Makes 32 gallons Industrial strength Removes carbon buildup Recommended Surfaces: Fiberglass Steel Plastic PVC Vinyl Acrylic Concrete Asphalt Other hard sufaces Not for use on aluminum or other soft metals