This LTWFITTING Compression tube fitting is made of brass for durable. And it connects to tubing on one end and has an NPT male connector on the
3/16 X 1/4 Hose Barb X Fem Flare Swivel 32107 (Pack of 10)
LTWFITTING Brass 5/8-Inch OD x 1/2-Inch Female NPT Compression Connector Fitting(Pack of 5) - Pipe Fittings
LTWFITTING Brass 7/8-Inch OD x 3/4-Inch Female NPT Compression Connector Fitting(Pack of 5) - Pipe Fittings
LTWFITTING 3/16 in. O.D. Comp Brass Compression Tee Fitting (5-Pack) HF64305 - The Home Depot
PlumbShop's solid brass compression fitting handles the job with ease. The male iron pipe threading connects securely to any tube, providing a
PlumbShop Brass Compression Fitting, 1/4-in MIP x 3/8-in OD, 1-pk
Pysrych 3/16 OD x 1/4 OD Compression Reducing Union Brass Compression Fitting (Pack of 2) : : Industrial & Scientific
LTWFITTING 3/16 in. O.D. Comp Brass Compression Tee Fitting (5-Pack) HF64305 - The Home Depot
1.33 in - Brass Fittings - Fittings - The Home Depot
LTWFITTING Brass 7/8-Inch OD x 1/2-Inch Male NPT Compression Connector Fitting(Pack of 5) : Industrial & Scientific
LTWFITTING 1/8 in. OD Comp x 1/8 in. FIP Brass Compression Adapter Fitting ( 5-Pack) HF662205 - The Home Depot
LTWFITTING 3/16 in. I.D. Brass Hose Barb Splicer Fittings (10-Pack) HF39130310 - The Home Depot
LTWFITTING 1/4 in. OD Flare x 1/8 in. FIP Brass Adapter Fitting (30-Pack) - Yahoo Shopping
3/16 - Brass Fittings - Fittings - The Home Depot
LTWFITTING 5/16 in. O.D. Comp x 1/4 in. MIP Brass Compression Adapter Fitting (5-Pack) HF685405 - The Home Depot