Rule 98B Shower Drain Box, 12V. Featuring a high capacity pump to cope with incoming gray water, it has a powerful 800 GPH. With a sealed poly-carbonate lid, made of a tough impact resistant material with a gasket to prevent water splash. 3/4" discharge, and threaded inlet port fittings; which improves installation by offering several combinations of port fittings including 3/4", 1" and 1-1/8", straight fittings. With a simple installation that provides easy access side rails plus an additional rear bracket
option.