EATON Weatherhead 68X6X2 Male Connector, CA360 Brass, 3/8" Tube OD, 1/8" Male Pipe Size (Pack of 10) Adapts 1/8" NPT male end to 3/8" tube size female compression end Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability For use in low-pressure air, fuel, and oil applications