1/4 in. Tube OD x3/16 in. Tube OD - Reducing Union - Brass Compression Fitting

Applications: Use with copper, aluminum and thermoplastic tubing. Plastic tubing requires insert. Not recommended for steel tubing. Manufactured for

Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Operating temperature range of -65 to +250 degrees F

HongBoW Hardware 5 Pcs Brass Compression Tube Fitting Reducing, Brass Union 3/16 inches x 1/4 inches

Fittings, JACO Plastics Manufacturing and Molding

LTWFITTING 3/8 in. O.D. Comp x 1/8 in. MIP Brass Compression Adapter Fitting (25-Pack) HF686225 - The Home Depot

BFO Select - Pipe Fittings, Flanges, Valves & More

3 X 3 X 1-1/4 Copper Reducing Tee — COPPERTUBINGSALES

PlumbShop Brass Compression Fitting, 1/4-in MIP x 3/8-in OD, 1-pk

BFO Select - Pipe Fittings, Flanges, Valves & More

Fit 5/16 x 1/4 Tube OD Straight Compression Union Brass Pipe Fitting Connector - AliExpress

Tube Fitting 1/4 NPT-M to 3/16, Brass - MHOxygen

247Garden SCH40 PVC 1/2x3/4 Reducing Tee Fitting - Versatile 3-Way Plumbing, Secure Connections, NSF Certified

Self Piercing Saddle/Needle Valve Kit (46-090ALF)