How many times have you tried unsuccessfully to get rid of unpleasant odors from the sewer?
Various cleaning products, filters, non-return valves, a thousand DIY solutions, from trying to clog, putting foil, pushing a sponge, resulting in unpleasant odors still being there?
We know how you feel, only those who have problems with unpleasant odors from the sewer in your bathroom, kitchen, cottage, yacht, know how frustrating it is, and they are the ones who told us how unsuccessfully they fought against this problem.