Do it Best 1/2 in. Nom Copper x 3/8 in. OD Union

Straight connector. 1/2 nominal 5/8 O.D. copper compression to 3/8 O.D. tube.
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1/2 FIP X 3/8 COMP LF ANG BALL STOP LF - 76690 - Best Plumbing Specialties

Ice Maker Water Line Brass Tube Fitting, 3/8 Male x 1/4 Compression - (2 Pack)

Approximate Length (Nut Screwed Down Hand Tight): 1.5 Vibration Resistance: Fair Temperature Range: -65°F to 250°F Use With: Brass, Bronze, Copper,

1/2 OD x 3/8 Male NPT Connector Brass Compression Fitting for 1/2 OD Tube

Proline Series 3/8-in x 3/8-in Threaded Coupling Fitting in the Brass Fittings department at

Complete Toilet Set Valve 1/2 in. NOM Inlet x 3/8 in. OD Compression Outlet Angle Shut Off + Escutcheon Plate + 12 Long Stainless Steel Braided Brass Nut Water Supply Line

Type: Compression Reducing Union Tube Size:1/2 OD x 3/8 OD Package Content : 200 PCS(Include Nut And Ferrule) Materies: BRASS, Net Weight: 22g/PC

LTWFITTING 1/2-Inch OD x 3/8-Inch OD Compression Reducing Union,Brass Compression Fitting(Pack of 200)

O.D. tube size x Male pipe size. 1 per card. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces.

Do it 1/2 In. x 1/2 In. Brass Male Union Compression Adapter

Brass Compression Fittings for Potable Drinking Water

Straight connector. 1/2 nominal 5/8 O.D. copper compression to 3/8 O.D. tube. Do it carded. Manufactured to include no more than 0.25% weighted

Do it Best 1/2 in. Nom Copper x 3/8 in. OD Union