UNUSED Graver Water Systems Approximate 3000 Gallon Exhausted Resin Storage Vessel. Manufactured by Kennedy Tank, 304/304L stainless steel, vertical. 72" Diameter x 168" straight side, dished top and bottom. Internal rated 75 psi at -20 to 135 degrees F. Openings top (2) 3", side top 24" man way with a carbon steel davit arm, (2) 3" (2) 7" x 17" sight glass, bottom 3", 3" center, 14" x 18" oval man way with cover. Mounted on 4 carbon steel I-Beam legs. National Board# 7979, serial# 9261-05, built 2009.