Unused 410 GPM 304 stainless steel multi bag polishing filter with (6) 10-micron polypropylene filter bags and 2" foam-glass insulation. Built by PMI-Technology. Rated 145 PSIG/FV @ 248°F. Design differential pressure 65 PSI. 87"OAH x 25.6"ID. Estimated weight of 1,500 lbs. Tag #19-FD-768B. Previously designated as Polishing Filter.