LTWFITTING Brass 1/4-Inch OD x 1/8-Inch Female NPT Compression Connector Fitt...

LTWFITTING Brass 3/8-Inch OD x 3/8-Inch Female NPT Compression Connector Fitt...

Brass 1/4-Inch OD x 1/2-Inch Female NPT Compression Connector FittingPack of 5

LTWFITTING Compression Reducing Union 3/16-Inch OD x 1/4-Inch OD Brass Fittin...

LTWFITTING Brass 7/8-Inch OD x 3/4-Inch Female NPT Compression Connector Fitt...

5-Pack Compression Connector 1/4-in OD Tube to 1/2-in FNPT Brass Fitting

LTWFITTING Brass 5/8-Inch OD x 3/4-Inch Female NPT Compression Connector Fitt...

T TANYA HARDWARE 3/4 Inch NPT Male x 1/2 Inch NPT Female Brass Reducer Hex Bu...