MultiChoice® Universal valve body only. Accepts single, dual, or dual thermostatic cartridge. Cartridge ships with trim. Back-to-back capability. Features integrated 90-degree tub drop & PEX shower riser. Model must be ordered in full case quantity of 12 | Delta® Rough-In MultiChoice Tub/Shower Pre-Fab (Recertified), R10000-PFT-PX