TOPGREENER 961246 USB Floor Box Kit Charging Duplex Receptacle, 20A Outlet - Stainless Steel Stainless steel floor box with two 4A USB ports. Free pre galvanized steel junction box included 20A tamper resistant duplex outlet. Watertight/corrosion resistant hardware. Perfect for hard wood, carpet, tile flooring applications & granite/marble countertops. Junction box is made from pre galvanized steel and includes 16 total knockouts. Includes a two-year manufacturer's warranty. Manufactured in a ISO9001 registered facility.