Attwood’s shower sump system deliver the performance you've been asking for. Offering fast water flow into sump and quick installation. The new lid includes a gasket to seal the sump box against overflow. The sump box even includes an air vent to prevent air locks. Meets or exceeds all applicable standard of the ABYC and USCG. 500/750 gph, 12 Volts, 36" Wire.
