The OSEC B-Pak is a fully-automated, pre-packaged onsite hypochlorite system designed for fast installation, safe operation and easy maintenance. Now available in capacities from 65 to 260 lb per day, in addition to our higher capacity units up to 1,500 lb of equivalent chlorine per day. The OSEC B-Pak system generates a 0.8% sodium hypochlorite solution through the electrolysis of brine, consuming only water, salt and electricity.