Click On The Downloads Tab for Product MSDS Sheet. (Not shown.) Deodorizes, cleans and prevents scale buildup. Enzymes continuously eliminate odors and maintain drain lines. Flexible screen traps debris. Tints water blue with every flush. Green Apple fragrance. Lasts up to 1,500 flushes. Biodegradable materials. VOC compliant. Free from Phenol Ethoxylate surfactants and carcinogens. Free from chlorinated, butyl and harsh solvents. Free from ammonia and bleach compounds, phosphates and silicates. No phthalates and Alkylphenol ethoxylates. Recyclable packaging materials (plastic and boxes). Non-hazardous for shipment.. . . .