An EPA Safer-Choice certified industrial-strength cleaner & degreaser proven to be more powerful, safer, and easier than other degreasers on the market. WD-40 Specialist Cleaner & Degreaser is a water-based, non-flammable, non-aerosol cleaner & degreaser with a unique bio-solvent formula engineered to be powerful yet safe on most sensitive surfaces. It quickly breaks through tough grease & grime and has added corrosion inhibitors to help protect against flash rust. Great for cleaning greasy automotive parts, tools, shop floors, industrial machinery, commercial appliances and equipment. It can even be used in cleaning equipment such as power washers and ultrasonic tool cleaners as long as rinse is discharged to wastewater treatment. This formula comes in 5 different sizes: - 24-oz refillable trigger - 32-oz trigger - 1-gallon jug - 5-gallon jug with pour spicket - 55-gallon drum - Safe for use on aluminum, chrome, glass, plastic, rubber, stainless steel, granite, leather, paint, and much more. - Biodegradable formula meets U.S. EPA Safer Choice Standards. NSF Registered A1, A2, A4, A8, B1. - Non-flammable, non-corrosive, non-abrasive, low-odor formula that can be used in food-processing facilities.