Since 1981, Valterra Products, LLC, has been a leading supplier of brand name product lines to the RV, Pool and Spa, and Plumbing industries. Valterra's maquiladora Contract Manufacturing Division offers low-cost custom manufacturing and assembly services to client companies seeking to reduce costs and improve the bottom line. Used For: Mounts In The Tank Outlet To Reduce The Opening Size For Gray Water Tanks Color: Black