SS teflon-lined hoses are NOT advised for use as A/C hoses, unless you only want them for show. Its been know since the '80s that R-12, a larger, less leak-prone fluid than R-134a, leaks rapidly out of such hoses. For R-134a, barrier-type hoses with o-ring-sealed- fittings are required. I suggest you find someone selling the ss jackets only and install them, with hose clamps or something, on the visible parts of the proper AC hoses. Note- OEM non-barrier, tapered-fitting hoses aren't so good at sealing R-134A , either.