LASCO Plumbing Specialties 17-6223 is a 3/8-Inch Compression by 5/16-Inch Compression Brass Union. Compression reducing union. Brass material lasts
LASCO 17-6229 3/8-Inch Compression by 1/4-Inch Compression Brass Union : Everything Else
LASCO 17-6205 1/4-Inch Compression by 3/16-Inch Compression Brass Union : Everything Else
Lasco 1/4 In. x 3/16 In. Brass Reducing Compression Union - Bliffert Lumber and Hardware
LASCO 17-6209 1/4-Inch Compression by 1/8-Inch Compression Brass Union : Everything Else
5/16 Tubing X 3/8 Male NPT Brass Compression Fitting
LASCO 17-6631 3/8-Inch Compression by 1/8-Inch Female Pipe Thread Brass Adapter : Everything Else
Anderson Metals-50068-0506 Brass Tube Fitting, Connector, 5/16 Compression x 3/8 Male Pipe : : Tools & Home Improvement
Plumbing, Brass Pipe Compression Fittings
FLARE & COMPRESSION
LTWFITTING Brass 5/16 OD x 3/8 Male NPT Compression Connector Fitting(Pack of 5) : Industrial & Scientific
Watts A-510 Ander-Lign Brass Compression Union 7/8 OD W/Insert 962-14, Pipe Fittings - Canada