Storage Tank, Drain Connection Gender Not Applicable, Drain Connection Type Not Applicable, Drain Opening Diameter Not Applicable, Fill Opening Diameter 18 in, Frame Material Not Applicable, Graduation Mark Increments 2 gal, Liquid Storage Capacity 30 gal, Overall Depth Not Applicable, Overall Diameter 18 in, Overall Height 32 1/2 in, Overall Width Not Applicable, Standards NSF/ANSI/CAN 61 Certified, Tank Material HDPE, Tank Material Thickness 1/4 in, Tank Opening Type Open Top. This item has been restricted from sale in the following state (s): []