An angle stop valve is a common and inexpensive plumbing fixture that can save you potentially thousands of dollars in maintenance expenses.
Eastman 1/2 Inch FIP x 3/8 Inch OD Compression Multi-Turn Angle Stop Valve with Brass Stem, Brass Plumbing Fittings, Chrome, 10809LF
Angle Stop with Oval Handle - 5/8 X 3/8
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Dual Compression Outlet Angle Stop Valve, Plumbing Fitting
Angle Stop
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Angle Stop Valve Types And Installation Methods Dengarden, 40% OFF
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SharkBite 1/2-in Compression x 3/8-in Od Compression Brass Quarter