Features The light weight, strong sump well is designed for basementdrainage applications Made of durable high density polyethylene plastic Ribbed outer design Completely corrosion proof and acid, alkali, and frost-resistant Will not crumble, break, or rust 3 Preformed inlet collars accept corrugated lines from inside the basement perimeter or floor drains These lines snap on the collars quickly and easily A molded in panel on the side of the sump is designed for accepting the outside basement perimeter drainage line at the height desired Specifications Diameter: 19" Height: 24"