I thought we could use a 6 way reducer cross with a 6" CF Flange (qty. 2) to 2.75 in CF Flange (qty. 4) from Alan Rice, but one of the knife edges is damaged. It was on a blank CF Flange, so maybe vacuum was still able to be pulled. I would rather not have to figure this out after cleaning and installing the part, so I will not use it for now. See attached photos of the damage.