Goulds Water Technology’s GSD submersible sewage pump features a cast-iron recessed vortex impeller, corrosion-resistant stainless steel motor shaft and hardware. The pump comes with a built-in anti-siphon hole, allowing for easier pump installation and prevents air locking from occurring. Available in automatic or manual, 115 volts, 0.5 HP, single-phase pump with 2" discharge. Goulds Water Technology. | www.goulds.com