Help with size of copper tubing and compression fitting

Advantages: * No flaring, soldering or other preparation of tubing necessary to assemble. * Manufactured for low and medium pressure tubing connection

68C-0404 Dixon Valve Brass Compression Fitting - Male Connector - 1/4 Tube Size x 1/4 Pipe Thread

How to Install Compression Fittings on Nylon and Copper Tubing

Help with size of copper tubing and compression fitting

Pipe Fittings Selection Guide: Types, Features, Applications

TUBING, NYLON, 1/8, 10FT. LENGTH, INCL. 1/8 NPTF BRASS COMPRESSION FITTINGS

Everbilt 1/4 in. Compression Brass Nut Fitting 800629 - The Home Depot

Putting my first loop together Are compression fittings THIS hard to put onto soft tubing?

Everbilt 1/4 in. Compression Brass Nut Fitting 800629 - The Home Depot

Compression vs. Flared: When to Use Each Type for Brass

Brass Compression Fittings and Adaptors

How to Join Dissimilar Pipes

61CL-10 Dixon Valve Brass Compression Fitting - Long Nut - 5/8 Tube S — HoseWarehouse