I buy your all instrumentation tubing fittings that you no longer need or that you have left over from your projects on any brands.
Here in houston I buy all the tubing fittings you have, be it one or thousands of all kinds of pressure and meas sizes from 1/4″ to 1″ regardless of the brand such as swagelok, superlok, fitok, bi-lok, tylok and more .
We also compare high pressure tube fittings such as parker autoclave and spir star from 10,000 psi to 60,000 ps