Storage Tank, Drain Connection Gender Not Applicable, Drain Connection Type Not Applicable, Drain Opening Diameter Not Applicable, Fill Opening Diameter 10 in, Frame Material Not Applicable, Graduation Mark Increments 25 gal, Liquid Storage Capacity 525 gal, Overall Depth 75 in, Overall Diameter 47 1/2 in, Overall Height 53 in, Overall Width 75 in, Standards FDA Compliant 177.1520, NSF/ANSI 61, Tank Material HDPE, Tank Material Thickness 1/4 in, Tank Opening Type Closed Top