This ditch stool beehive grate fits a 24" diameter opening, or 2'x2' inlet. It is outfitted with water flow intake sections on the sides and top. It sits at 5 1/4" tall above the flange, 6 3/4" tall overall. It has a flow rate of almost 2 square feet and is optimal for regions of heavy water flow and low debris. 
 
Our castings meet AASHTO specifications. They're made with grey cast iron of ASTM A48, Class 35B standards with a load rating of H-25/HS-20. Select models and quantities are available for same day pickup; call ahead to confirm availability. Freight shipping is required outside of delivery zone.