4pcs 3/8 x 1/4 inch Compression 90 Degree Elbow Brass Pipe Fitting NPT thread

4X 3/8 FEMALE x 14 Male Brass Pipe Conversion Fittings for Air Water Gas Fuel £5.78 - PicClick UK

4PCS 8MM BARB Brass Hose Fitting 90 Degree Elbow Pipe Coupler Tubing Adapter £10.32 - PicClick UK

Legines Brass Compression Tube Fitting, Female 90 Degree Elbow, 3/8 Tube OD x 1/4 NPT Female, Pack of 2 : Industrial & Scientific

3/8 x 3/8 Compression x Male NPT 90 Degree Elbow Forged Brass Fittin – compressor-source

Brass 1/4-in FL x 3/8-in COMP Fine Thread Compression Adapter

1/8 1/4 3/8 1/2 BSP Female x Female x Male Thread Brass 3 Way Pipe Fitting Tee Type Adapter Connector Adapter - AliExpress

4PCS 90 Degree Barstock Street Elbow Brass Pipe Fitting,1/4NPT Male x 1/4 NPT Female Forged Pipe Fitting (1/4NPT Male x 1/4NPT Female) : : Industrial & Scientific

Stainless Steel Swagelok Tube Fitting, Male Connector, 1/2 in. Tube OD x 1/4 in. Male NPT, Male Connectors, Tube Fittings and Adapters, Fittings, All Products

3/8 NPT Male x 1/4 NPT Female 90 Degree Elbow 5502-06-04 Adapter, NPT Female to NPT Male - Right Angle, NPT to NPT, Hydraulic Adapters & Fittings, Hydraulics