Storage Tank Drain Connection Gender Not Applicable Drain Connection Type Not Applicable Drain Opening Diameter Not Applicable Frame Material Not Applicable Graduation Mark Increments 25 gal Liquid Storage Capacity 500 gal Overall Depth 53 in Overall Diameter 53 in Overall Height 72 in Overall Width 53 in Standards FDA Approved NSF Tank Material HDPE Tank Material Thickness 3/16 in Tank Opening Type Open Top Maximum Operating Temperature 130 Degrees F Color White