Cleaner, E-Coil Cond & Evap, Non-Foaming, 1 Gal. No foaming action—only attacks dirt buildup, not metal. Environmentally safe—cleans without damage to environment, personnel or equipment. Dilution rates: Condensers—4 parts water, Evaporators—8 parts water. Rinsing not required on evaporators—normal condensation will carry away dirt and contamination. May irritate eyes and skin—excessive contact should be avoided