FLO RIGHT NON-ACID DRAIN OPENER* $166.00 Flo-Right Non-Acid Drain Opener and Maintainer Cs/12 Cs/24 Cs/48 FLO- RIGHT IS A NON-ACID, LEMON SCENTED DRAIN OPENER/MAINTAINER. IT DISSOLVES HAIR , GREASE AND PAPER PENETRATING CLOGGING MASSES CONVERTING THEM TO SOFT PULP THAT FLUSHES THROUGH THE SYSTEM FLO-RIGHT SDS