External condenser coil cleaner and brightener comstar’s foamy coil is a non-acid, alkaline based external condenser coil cleaner and brightener. Foamy coil will restore heat transferring qualities to 100% efficiency by removing lint, dust, dirt and grease build-up as the heavy foam pushes out these contaminants. Foamy coil contains inhibitors to prevent metal fatigue and is therefore safe to use on aluminum and copper. Foamy coil concentrate can be diluted with 3 to 10 parts water, depending on the amount of foaming action and the level of cleaning required. Foamy coil renews condenser coils, permanent air filters, evaporator coils. It removes greasy dirt from mechanical surfaces and restores it to their original condition. advantages: foamy coil is environmentally safe foamy coil is safe on aluminum and copper foamy coil is heavy duty foamy coil cleans and brightens all metal parts foamy coil contains inhibitors to prevent metal fatigue foamy coil is non-acid foamy coil is alkaline based buy yours today!!