E blue earth ave fairmont mn, 56031. I am so impressed with your product! i had a backed up shower drain which was miserable i (embarrassingly) tried draino first, and it did nothing! i used drainbo, and immediately the shower improved, but the drain was still slow however, every time i use the shower it drains better than before, after only 1. The award-winning baxi brand has been using innovation technology to make their boilers a leading brand all of the baxi boilers are manufactured using unique,.