New Thrift Mam-is-100 Insta-flo 1lb Powerful Plumbing Sink Tub Drain Cleaner INSTA-FLO DRAIN CLEANER FRESH 1LB BOTTLE GREAT SALE PRICE!! For drains; grease traps; septic systems and root control. Odorless and will not harm plumbing fixtures; porcelain or septic systems. WE WILL ALSO COMBINE SHIPPING AND SHIP EACH