Simplex Zoeller 31-0091 18" X 30" Poly Sewage Basin with Steel Cover and Parts BasinsZoeller 31-0091 18" X 30" Simplex Poly Sewage Basin with Steel Cover Features:Injection Molded Poly Simplex Sewage Basin: Heavy-duty design, contractor grade construction2" Discharge/Vent and 4" Fiberglass Hub (Inlet): Designed for easy installation,18" Wide x 30" Deep (30-Gallon)Increased volume capacity compared to competitorsWill accommodate most sewage pumps10-1/2" Center Line Of Hub (From Top Of Basin): Industry standard design for faster installationSolid-Steel Cover: Includes flanges, cord seal, gaskets and hardware Basins N/A $180.67FergusonHome.comDelivery: in USA ReportBuy!