"A foaming degreaser with deep penetrating action and a powerful stream that sprays up to 5 feet. WD-40 Specialist Machine & Engine Degreaser Foaming Spray makes equipment run smoother, last longer and look like new. This aerosol is a low-residue water-based formula with foaming action that penetrates deep into crevices for completely clean results. Equipped with a nozzle capable of powerful long-distance sprays up to 5 feet and also includes a precision stream straw for controlled application. Quickly remove grease, oil, dirt, grime, tar, adhesives, and more without engine disassembly. Works great on auto & truck engines, tractors, forklifts, gears & chains, industrial machinery, farm equipment, and other metal tools. Safe for use on most metal when used as directed. - In ASTM tests, WD-40 Specialist Machine & Engine Degreaser Foaming Spray outperforms the leading competitors - Removes automotive and industrial particulate soil faster than the competition* - The water-based formula outperforms solvent-based cleaners for fast return to service** - Low-residue water-based formula with foaming action for deep penetration - 50-state VOC compliant - NSF Category C1 (#146737) *Test Lab: Sterling Laboratories (Toledo, OH); ASTM D4488-A3; Test date: 05/2020. ASTM D4488-A3 Soil consists of a mixture (by weight) of vegetable oil, mineral oil, base oil, jet turbine oil, metallic brown oxides, napthenic hydrocarbon solvent. **Test Lab: Sterling Laboratories (Toledo, OH); ASTM D4488-A3; Test date: 05/2020"