plumbing - How can I connect 1/2 compression tubing to 3/8 compression valve? - Home Improvement Stack Exchange

I put in new bathroom vanities that came with the sinks. When I attempted to connect supply lines under the sink I discovered the lines from the faucets are 1/2” female and the supply valve is 3/8”

5/8 in. O.D. Compression (1/2 in. Nominal) Inlet x 3/8 in. O.D. Compression Outlet Quarter-Turn Angle Valve (10-Pack) 166016-NL - The Home Depot

BrassCraft 1/2 in. Nominal Compression Inlet x 3/8 in. O.D. Compression Outlet Multi-turn Rough Brass Angle Valve OCR19X R1 - The Home Depot

Piping and plumbing fitting - Wikipedia

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plumbing - Can't hook up new faucet to shut off valve - Home Improvement Stack Exchange

Piping and plumbing fitting - Wikipedia

Get the job done right with BrassCraft's press connect water stops. With installation done on both wet and dry pipe systems, our press connect water

1/2 in. Press Connect Inlet x 3/8 in. Compression Outlet 1/4 Turn Straight Valve

BrassCraft 1/2 in. Compression Inlet x 3/8 in. Compression Outlet Brass Multi-Turn Straight Valve OCR14X C1 - The Home Depot

plumbing - How do I replace the water supply line that appears to be built in to the shutoff valve? - Home Improvement Stack Exchange

plumbing - Connect 1/4“ supply line to 3/8” outer diameter faucet line - Home Improvement Stack Exchange

Uxcell 1/2 OD Tube 3 Way Tee Union Stainless Steel Quick Connect Compression Fittings

plumbing - What type of adaptor do I need to connect a female 3/8 OD faucet to this shutoff valve? - Home Improvement Stack Exchange

Feed Water Adapter - 1/2 NPT or 3/8 Compression, 1/4 Quick Connect, – Anchor Water Filters

water - How to Connect FCM (Female) to NPT (Female)? - Home Improvement Stack Exchange