You will sometimes see a Shower rough in Valve with Stops referred to as having screwdriver stops or integral stops. They also can be called Shower Valves with Shut off Stops. All of these terms are basically interchangeable. They reference shut-off devices built into the shower valve.

What is an integral shut off valve?

MIP Outlet Multi-Turn Integral Shut-off Straight Valve with a screwdriver slot is intended for a direct connection to diverters and shower mixing valves. Product designed to allow flow control to shower valve without shutting off water supply to entire home.

How do I know what kind of shower valve I have?

Check behind the shower handle at the center of the trim plate to find the manufacturer symbol or brand name. “K” is for Kohler, “M” for Moen while Price Pfister, Delta and American Standard have their full names on the faucet.