Glug can be used for both emergency and preventive maintenance treatments of clogged or slow moving drains and waste lines. Contains no phosphates or aluminum. Does not produce offensive odors or gases normally associated with other drain openers. Ideal for institutional home hospital factory and office buildings use where strong odors are objectionable. Brand Name: Oatey Sub Brand: Glug Product Form: Crystals Product Type: Drain Opener Container Size: 20 oz Safe for Garbage Disposals: No Protects Pipes from Corrosion: No