The Delta MultiChoice Universal Tub/Shower Rough-In Valve (MCUPB/3B22) is a square-shaped valve designed for plumbing and fixtures in the bathroom. Made by the reputable brand Delta, this valve comes in a pack of 1 and is a versatile option for home improvement projects. With its unit quantity of 1, this valve is suitable for both tub and shower installations, offering a convenient and efficient solution for home and garden plumbing needs.