Bill, we interviewed Bob Hollis and Pete Readey about it, and there will not be much in the way of changes.

The diluent/oxygen loop direction has been changed, the tertiary PO2 display will be solid state, which yours might be already, but they are switching over to injection molded engineered plastics rather than machining heavy stuff.

The shell looks new to me.

They've always said they were going to integrate their Datamask to their CCR.