Storage Tank, Fill Opening Diameter 4 in, Liquid Storage Capacity 5 gal, Overall Depth 14 in, Overall Height 13 1/2 in, Overall Width 14 in, Standards NSF/ANSI/CAN 61 Certified, Tank Material LLDPE, Tank Material Thickness 1/4 in, Tank Opening Type Closed Top, Maximum Operating Temperature 140 Degrees F, Color Blue, Fill Cap Diameter 6 in, Maximum Liquid Temperature 140 Degrees F, Shape Square, Tank Orientation Vertical, Tank Wall Style Double Wall