The Deslauriers Tremie Hopper is an essential tool for any job site that requires pouring concrete. Constructed of heavy-duty polyethylene plastic, this hopper is designed to be both durable and easy to clean. The standard unit is steel reinforced, providing added strength during transport and positioning at the job site. The hopper features a large 36" square opening and a standard 8" discharge opening that can be easily cut to a 12" discharge opening. With its sturdy construction and versatile design, the Tremie Hopper is the perfect tool for all of your concrete pouring needs.