Storage Tank, Drain Connection Gender Female, Drain Connection Type TxT, Drain Opening Diameter 1 in, Fill Opening Diameter 10 in, Frame Material Not Applicable, Graduation Mark Increments 5 gal, Liquid Storage Capacity 125 gal, Overall Depth 49 in, Overall Diameter 30 1/4 in, Overall Height 35 in, Overall Width 49 3/8 in, Standards Compliant 177.1520, NSF/ANSI 61, Tank Material HDPE, Tank Material Thickness 1/4 in, Tank Opening Type Closed Top, Maximum Operating Temperature 130 Degrees F