The genuine Nu-Calgon 4165-24 is a 1 qt. Bottle of Drain Solve that opens condensate pan drains. Drain Solve is non-fuming with no rotten egg odor and is perfect for clogged A/C condensate lines as well as kitchen, bathtub, and lavatory drains. The Nu-Calgon 4165-24 pours through standing water and cuts through grease and organic matter with no violent eruptions. Nu-Calgon Drain Solve generates heat when added to water to help loosen clogged drains and is septic safe. Nu-Calgon, the brand you trust, provides quality chemicals and specialty products for professional use only in the air conditioning, refrigeration and heating markets.

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