MALE ELBOW/BRASS, Tube to Male Pipe Thread , 3/8 inch tube outside diameter, 1/8 inch pipe thread. 269P06X02Poly-Type Brass Male Elbow | Fits 3/8in Tubing, 1/8in Pipe ThreadPoly-Type Flareless tube fittings have reduced a installation time when compared to regular compression or flare fittings -- ju..