MDC mfg. T shape vacuum valve

  
I don't know if you measure the flange or the inside dimension of the pipe. Lots of pictures with the measuring tape. Hopefully you can figure out what these are. For sale is one T shape vacuum connector.

Appears to be in perfect condition. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Vacuum Chambers". The seller is "maury305" and is located in this country: US. This item can be shipped worldwide.