18 in Polymer Cover for Sump Basin

SPECIAL ORDER ITEM. Review Returns Policy before purchase. This 18 in sump basin cover is designed to provide a secure closure for compatible sump basins in residential wastewater and drainage systems. Constructed from durable polyethylene, it helps prevent debris from entering the basin while allowing necessary drainage through the molded discharge opening. The cover includes a built‑in cord grommet to support power cord routing for sump pumps. Suitable for indoor installations, it enhances safety and system protection by helping contain odors and maintain a cleaner basin environment when installed correctly.