The new KOHLER® Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. Designed for installations where the valve has been roughed-in deeper than standard, this universal deep rough-in kit works with every KOHLER® Rite-Temp trim. Kohler® Deep Rough-In Kit, Series: Rite-Temp®, For Use With: K-8305 Cartridge, 1 in Dia x 1-1/4 in H