CLOG BOSS® Developments is a Canadian company whose owner a master plumber has invented and patented the worlds best and most effective plunger for bathroom toilets,sinks and shower drains. CLOG BOSS® is used by the professional plumbers and is now made available for the consumer who needs a plunger that is easy to use, powerful, reliable, effective and clean.CLOG BOSS® is the go to drain tool for the home, all businesses and institutional use. This versatile plunger unclogs the most stubborn clogs.Used and endorced by professional plumbers and households throughout Canada & the US. Available in Canada and the US. shipped Free with Amazon Prime.