Suma Drain Maintainer, Unscented, 1 gal Container, 4/CartonKeep the flow going, with a drain maintainer that restores normal flow rate to slow drains. Reduces the demand for further downstream waste processing. Non toxic, non corrosive, non caustic, and safe for general commercial and industrial use. Drain cleaner uses a multiple strain blend of bacteria formulated to attack the soils commonly associated with build ups in pipes and grease traps. Helps maintain your drains, grease traps, and septic fields.