For questions relating to the water system of a home or other building, including plumbing and fixtures, water heating, water filtering and treatment, and irrigation/sprinkler systems. Questions regarding swimming pools and spas should have the additional tags "pool" or "spa".
I've seen the following perlator and similars (also plastic ones) on some shopping sites. They claim it can decrease water consumption up to 40%. Is it possible? Is it worth to try?