Flow-Easy FE128 Drain Opener, Liquid, Brown, 1 gal Brown (Pack of 4)

Clogged drains are no match for Flow-Easy sulfuric acid drain opener. Its proprietary virgin sulfuric acid formula dissolves grease and other organic material in 15 min the environmentally and consumer friendly flow easy is the fast acting, professional-strength drain opener that plumbers reach for first. But, it's still safe enough for home use in all types of drains and toilets, even with septic systems. Plus, it can be poured into standing water, eliminating the need to bail the sink before using. Online purchases are in packages of 4.