Drain-Guard DWV is a double containment drainage system enabling improved safety and reliability in drain, waste and vent (DWV) applications. The Drain-Guard double containment piping systems provide safe transport of sanitary or storm drainage in critical areas. Should a leak occur, people, equipment and valuable property will be protected from possible harm, the company says. It provides the secure environment necessary for piping in vital areas of a wide variety of buildings, including hospitals, museums, historical sites, libraries, art galleries, theaters, data centers, restaurants and arenas. It is corrosion resistant and easy to install, and features DWV drainage pattern fittings and a patented Centra-Lok design, minimizing potential for failures and leaks, the company says. IPEX USA.  www.ipexna.com/usa