Citrus derivatives, biodegradable cleaners and water based solvents dissolve grease and lift dirt from carpet, vinyl, engines, wheel wells and painted surfaces. Enviro Clean Concentrated Cleaner Degreaser rinses away foreign particles and stains that most cleaners leave behind. Provides a safe, natural solution to vehicle heavy duty cleaning and degreasing. Enviro Clean Cleaner Degreaser may be diluted anywhere from 4:1 up to 20:1 depending upon product use.