Advanced Chemical Solutions SUN1622S1 Solid Green 22 Bio- Active Drain Cleaner is formulated to break down and digest organic materials in drains and grease traps. Helps control odors, prevent drain blockages and reduce costly plumbing work. Can be used in septic tanks and drain fields. Place in mopping buckets to break down organic materials on the floors in kitchens, bathrooms and dish rooms. Made with rapidly materials and does not contain phosphate, volatile organic compounds, NPEs, or pH contributors. Not harmful to animals and Salmonella-free. - Volume 4 lb - Sold per each