Before revision: The Green Drain™ 1 performs as a one-way valve with self-sealing technology which dramatically reduces evaporation from Traps, eliminates sewer odors, gases, pests, and pathogens from escaping drains into living and working spaces without the need for Trap Primers.
After revision: The Green Drain™ performs as a one-way valve with self-sealing technology which dramatically reduces evaporation from Traps, eliminates sewer odors, gases, pests, and pathogens from escaping drains into living and working spaces without the need for Trap Primers.