Oatey MODA™ Lavatory Supply Boxes shall be used in residential or commercial applications requiring a supply valve recessed in the wall. MODA Lavatory Supply Boxes, a universal single box platform, contains two 3/8" OD compression valves pre-installed in a PVC box, connected by inter-locking wing flanges that can be easily disassembled and re-assembled. This supply box system is also available in MODA Fire-Rated. Valves available in Hammer and No-Hammer arrestor configurations.