PROFESSIONAL STRENGTH | ENZYME DRAIN & SEPTIC CLEANER. Bio-active drain cleaner restores billions of the biological population of good worker bacteria and enzymes. Professional strength grease trap cleaner and commercial drain opener. Commercial drain cleaner for slow draining sinks and lines. Keeps grease traps & drains flowing. Enzyme drain opener cleans the pipes before the grease trap, grease trap & pipes leaving the trap. Eliminates offensive odors. Safe on pipes & plumbing. Product Code: UBAC. Not sold in CA