Eaton Weatherhead Carbon Steel Flareless 7000 Series Ermeto Tube Fitting, Branch Tee, 1/8" NPT Male x 5/16" Tube OD Adapts 1/8" NPT male end to two 5/16" tube size Ermeto-style fittings at 90-degree angles Carbon steel for durability and resistance to rupture under high pressure For use with high-pressure hydraulic and pneumatic applications