Size: 1/4x1/8,1/4x1/4,3/8x1/4,3/8x3/8,1/2x1/4,1/2x3/8

Material: Brass
Buna N O-ring
Stainless Steel Tube Support
Meets D.O.T. FMVSS571.106
Meets SAE J2494 & SAE J2494-3