The Delta MultiChoice Universal Valve gives you the flexibility to upgrade the style and functionality of your shower without altering the plumbing behind the wall. By installing the universal valve first, you have the freedom to decide (or change your mind on) what type of shower you want later. Whether you’d like a new look or a new function for your shower, with MultiChoice Universal Valves getting what you want has never been so simple. MultiChoice Universal valve body only Accepts single, dual, or dual thermostatic cartridge Trim kit sold separately, cartridge ships with trim Back-to-back capability MultiChoice Universal Tub / Shower Rough - Universal Inlets / Outlets