The Everbilt 18 in. x 30 in. Sewage Pump Basin is designed to hold a sump, liquid waste or sewage pump. Offering a true 30 Gal. capacity, and factory punched inlet that is accepts drain tile and 4 in. grommets. Comes with pre-drilled holes on the rim of the basin for accepting the mounting and securing a cover (sold separately). The basin features a durable and reliable heavy-duty construction of injection-molded structural foam polyethylene.