A condenser Coil Cleaner typically contains a mixture of surfactants, solvents, and sometimes mild acids or Good Quality alkalis (depending on the cleaner type), designed to break down dirt, debris, and grime on the condenser coils while being safe for the metal fins. Common ingredients include water, diethylene glycol monoethyl ether, 2-butoxyethanol and sometimes a foaming agent to help penetrate and lift dirt particles.