Our INDOT-approved, Buy America certified Type 4 casting is a manhole frame and cover structure. Made of cast iron, it comes with a 6-7/8" vertical rise and a 23-13/16" diameter plain, vented manhole lid. It fits a 24" diameter manhole opening. Freight shipping is required and Buy America certifications are available upon request. 
 
This casting is equivalent to a Neenah R-1714 or an EJ 1925.