3/8tube brass compression to 3/8 BSP male thread - Sola Exchange

IFS Bi-Lok - Elbow - Female - Brass #15B - 1/2 Tube x 1/2 BSP

Triple 3/8 NPT Solid Brass Tee Fitting With 1 Male And 2 Female

LTWFITTING Brass 3/8-Inch OD x 1/4-Inch Male NPT

3/8 OD X 3/8 OD X 1/2 MPT BRASS COMP BRANCH TEE ADAPTER

Proline Series 1/8-in x 1/4-in Threaded Male Adapter Bushing

Hose And Pipe Fittings

PlumbShop Brass Compression Union Tube, 5/16-in OD, 1-pk

OBA Accessories from Wits' End

Brass 90 Degree Elbow (1/8 BSPT Male to 1/4 Compression)