MH-50 in Polypropylene (P) and Fluorocarbon (F) are only available with 1/8″ (-2)sample fittings
MH-050 in Stainless Stell can get 1/8″ (-2) or 1/16″ (-1)
MH-050 is not available in 1/4″ (-4) fittings
The MD 070 and 110 are available with 1/8″ (-2) and 1/4″ (-4) end fittings. Choose the SS version for a better seal.