"Ribbed for strength with built-in support. Gallon indicators on end and side walls. U.S.A. Drain Size in. 3/4, Tank Description Horizontal, FDA Approved Drinking Water Yes, Dimensions L x W x H in. 48 x 36 x 35, Tank Size gal. 200, Application Square-ended sprayer tank, Tank Material Polyethylene, Fill Opening in. 10, UV Inhibitors Yes. Does not include drain plug FDA-approved for use with drinking water"