Surface / Air 500 is a green and biodegradable alternative to harsh and toxic chemicals. It is a pure and powerful, high-strength concentrate for all your cleaning and deodorizing needs. Spray on a variety of surfaces or pair with a cool mist humidifier, electrostatic sprayer, or ULV / high-power sprayers for a residue-free clean. This no-rinse solution can be sprayed on a variety of surfaces and in the air for a residue-free clean, and is ideal for use in professional settings such as businesses, dental offices, restaurants, and schools.