Do you need to step up a rung on the ladder in drain treatments? Since 1992 our customers have found that when the going is tough in drain maintenance, nothing does it better than United 855 LIQUID IMPACT +. This highly concentrated liquid formula features living bacteria, bonded with 8 enzyme implants for fast and effective digestion of organic waste and control of odors. United 855 will have a positive impact on your system as it reduces costly maintenance on drains and traps.