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

1/2x1/4,1/2x3/8,1/2x1/2,5/8x3/8,5/8x1/2,3/4x1/2,3/4x3/4

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