Description Enzyme block deodorizes, cleans and prevents scale buildup. Every flush tints water blue. Healthy bacteria continuously eliminate odors and maintain drain lines. Flexible screen traps debris. 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. Free from phthalates and Alkylphenol Ethoxylates. Recyclable packaging materials (plastic and boxes). Non-hazardous for shipment. Green apple fragrance.