An angle stop valve is a common and inexpensive plumbing fixture that can save you potentially thousands of dollars in maintenance expenses.
Angle Stops –
SharkBite 1/2-in Compression x 3/8-in Od Compression Brass Quarter
How To Remove/Install a LEAKY/NEW SHUT-OFF Valve (Compression
Push-to-Connect Fittings: What They Are & The Pros & Cons!
Brushed Nickel Kitchen Faucets: A Shoppers Guide!
Are Chemical Drain Cleaners Safe? (Finally, the Unvarnished Truth!)
SharkBite Push-to-connect stop valves are the fastest way to connect to PEX, copper, CPVC, or PE-RT stubouts. These valves control the flow of water
1/2 in. Push-to-Connect x 3/8 in. O.D. Compression Chrome-Plated Brass Quarter-Turn Angle Stop Valve
When an angle valve is used as a shut-off valve for residential plumbing fixtures, it is called an angle stop valve, or simply an angle stop.
Angle Stop Shut-off Turn Valve - Premium Residential Valves and Fittings Factory
What Is An Angle Stop Valve (And Why Do I Need One)?