3M Purification, 2.5 GALLON RO TANK-METAL, (5598405) 3M™ Water Filtration Products Reverse Osmosis Storage Tank, 14-3/4" H x 9-1/16" dia., 2.5 gallons capacity @ 60 PSI, bladder-style pressure vessel, 3/8" tubing connection, seamless tank liner, 125 PSI max pressure at 100°F