Master Plumber® repair plumbing part - 360X - Compression fitting plug - 3/8"
Rfs Brass 16mm Od X 3/8 Male Npt Connector Compression Fittings, Heavy Series F-D-B-MC-N-16S-06 - Eezee
ULN299A : Master Plumber 3/8 x 3/8 x 3/8 Retro Fit Tee Adapter
LASCO 10-0013 Brass 1/2-Inch MIP X 3/8-Inch Female Compression Water Supply Connection, Pipe Fittings - Canada
Hose barb fitting - Splicer - Master Plumber®
Compression fitting - Sweat reducing adapters - Master Plumber®
Lot Of 2 NE-UK-DOTA-3/8-OD-M Brass Push-In Pipe 45° Elbow Connectors 3/8
Pipe Fittings, 3/8 Male NPT X Male NPT
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Sioux Chief 5/16-in x 1/4-in Brass Compression Adapter 909-45051001
Master Plumber® Q360X MRPQ360X
SIOUX CHIEF Union - Brass - 3/8 x 3/8 - Tube x Tube 907-121005
FUATY 3/8” Brass Pipe Cap NPT Female Pipe Plug Caps Hex Head End Plumbing Fittings with Rubber Gasket (Pack of 4)
LTWFITTING 3/8 in. O.D. Comp x 3/8 in. MIP Brass Compression Adapter Fitting (25-Pack) HF686625 - The Home Depot