I updated to a Vertex probe holder, so selling the white MPR. I modified it by adding two smaller holes for dosing tubes (red arrows) and enlarged one of the standard probe holes for a SpectraPure pressure sensor (yellow arrow). The APEX temp probe slot has not been altered (left side)
$25 shipped. PayPal only. PM to make arrangements.
Tom
$25 shipped. PayPal only. PM to make arrangements.
Tom