Pipe Compatibility: This pex washing machine outlet box is compatible with crimp pex fitting system, NOT compatible with expanding fitting system. is equipped with 1/4-turn hot and cold shut off valves; the inlets of washing machine box work well with 1/2 inch PEX pipes; the outlets fit well with 3/4 inch washing machine hoses Versatile Applications: 1/2 pex washing machine outlet box allows for inverted installation and provides solutions for a range of residential washing machine applications. It features a recessed design and features a snap on frame which accommodates to drywall Long Lasting: The washing machine outlet box is made from high-quality brass, known for its high and abrasion resistance. This material ensures long-lasting performance and reliable water Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Actual product may have slight color difference or variance