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

uxcell Brass Hose Barb Fitting Straight 8mm x G1/4 Male Thread Pipe Connector with Stainless Steel Hose Clamp, Pack of 2

Push to Connect Tube Fitting Male Elbow 4mm Tube OD x 1/8 NPT Push Fit Lock 4pcs - Black - Yahoo Shopping

Push to Connect Tube Fitting Male Elbow 4mm Tube OD x 1/8 NPT Push Fit Lock 4pcs - Black - Yahoo Shopping

Pneumatic fitting elbow 1/4 in. tube press-in 1/8 in. NPT male - AndyMark, Inc

MENSI Metal Solid Brass 90 Degree Compression Elbow 3/8 Male Flare Convert To 1/4 NPT Male Coupling 2PCS/Lot - AliExpress

Brass Fittings - Temu

Uxcell M8 Male Thread 4.2mm ID Brass Compression Fittings 4 Pack

90 Degrees Barstock Street Elbow Npt Female Pipe Npt Female - Temu

The 90 Degree Elbow Brass Barb Fitting 3/8 ID Hose x 1/4 Male NPT Air Gas - AliExpress