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