Zep Professional® Alkaline Drain Opener Quart Bottle, 12/Carton (AMR1041423) Case of 12Zep Professional Alkaline Drain Opener Opens obstructions due to food grease, food residues, paper and other organic matter. Harmless to pipes and plumbing. Also works effectively as a lift station cleaner by quickly converting grease and organic obstructions into a liquid or soft mass that will easily flow. Global Product Type: Drain Cleaners Application: Drain Cleaner Applicable Material: Metal; PVC Dirt Types: Food Debris; Grease; Hair; Oil Based