LONGSTANDING FLEXIBILITY: Built on the Moen M-PACT common valve system, allowing you to update the faucet style in the future without replacing any plumbing ORIGINAL EQUIPMENT MANUFACTURER: Authentic Moen replacement part CONNECTION SIZE: 1/2-inch IPS connections MULTI-FUNCTION: Three function transfer valve - 2 discrete outputs & 1 shared mode BUILT TO LAST: Backed by Moen?s Limited Lifetime Warranty