As consumers search for safe solutions to chemical based cleaning products DRAINBO fills this void in the plumbing set for retails. DRAINBO proudly offers the only certified safe and all-natural drain products on the market today. A Safe, All-Natural drain opener and cleaner formulated for use in all drains. An environmentally safe, economical and easy-to-use concentrate that will penetrate and digest household grease, oils, fats, soaps and other common blockage materials. Treating your drains every 30-60 days with DRAINBO All Natural Drain Treatment and Cleaner will result in year-round clog-free drains and peace of mind. Proudly certified by the Natural Products Association (NPA). Contains 4 Treatments.