Jackel 18 inch Slotted Sump Pump Basin Lid. The Everbilt 18 in. Sump Basin Cover will fit the Everbilt sump basin (sold separately). It is ideal for use with a submersible or pedestal sump pump where a gas tight sump basin seal is not a concern. The single piece cover is injection molded structural foam polyethylene and provides superior structural toughness and reliability. The cover comes with 4-bolts.18 in. coverUse for sump applicationsHeavy duty constructionInjection molded structural foam polyethyleneCorrosion resistant