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Nu-Calgon Coil Cleaner is an alkaline formula designed for cleaning evaporator coils and drain pans in air conditioning systems. This effective cleaner removes debris and dust that accumulate over time, restoring optimal efficiency and performance. With a 9pH value, this concentrate packs a powerful punch without damaging the coils or causing corrosion. The non-hazardous formula makes it safe for use in residential and commercial buildings alike. Use Nu-Calgon Coil Cleaner to prolong the life of your HVAC system and provide cleaner, healthier air for you and your family.