- WD-40 Specialist 331457 professional degreaser, 1 liter, designed to remove tough dirt and grease from all types of surfaces - Concentrated water-based formula, non-flammable, free of ammonia, phosphates, and dyes - Compatible with aluminum, plastic, ceramic, rubber, and other surfaces, following usage and dilution recommendations - Versatile product: suitable for use at home, workshops, factories, garages, automobiles, and construction sites - Fast and effective action, leaves no residue, and is safe for food processing areas (NSF A8 certification) - Non-abrasive, protects surfaces and facilitates professional and domestic cleaning - Ready to use or dilute according to the level of dirt