SEWAGE PUMPS 1/2 HP Submersible Sewage Pump and Basin Package Model R5W1830, Part No. 25195D500 30 gallon, 18" x 30" polyethylene basin, sealed polyethylene cover one piece assembly unit with 2" discharge and 3" vent check valve, 4" Adapt-A-Flex® inlet fitting Listed by Underwriters Laboratories