Professional APC Plus is an All Purpose Cleaner that works in numerous applications. It is gentle, and when diluted correctly, safe to use on paint and metal surfaces. Professional APC Plus will clean upholstery, carpets and interior vinyl/leather panels. This product is also an effective white wall cleaner, engine degreaser, and excellent de-waxing agent. Professional APC Plus is non-caustic, biodegradable and non-butyl. Please note dilution recommendations for consistent results.