submersible deep well. 4SKM submersible pump have advantages of small volumn, light ,weight ,lower noise ... working time etc. 4SKM series clean-water submersible pump is most extensively used pump suitable for garden ,domestic use and irrigationRange ... : Stainless steel aisi 304. Pump casing: Stainless steel aisi 304. Pump shaft: Stainless steel aisi 304. Pump bearings: Housing in special technopolymer ...