Moen 2590 Rough-In PosiTemp Pressure Balancing Cycling Shower Valve with Stops, 1/2-Inch IPS 1/2-inch IPS connections with 1.4 turn stops 1222 cartridge accommodates back-to-back installations Compatible with Moen M-PACT trim kits PosiTemp valve helps maintain water temperature Backed by Moen's Limited Lifetime Warranty