The Liberator drainage pump is a family of 2″ drainage pumps with a variety of performance and control options. The Liberators are compact, light and powerful. They are suitable for groundwater and water containing sand and silt maximum solids handling of 7mm. A key feature; is that it does not need to be fully underwater in order for it to work and it is suitable for both indoor and outdoor applications. The use of a Urethane coating on the impeller reduces wear due to abrasion by waterborne solids like sand grit and silt.