Pedrollo PRO-NGA Stainless Steel Centrifugal Pumps with Open Impeller INSTALLATION & USE The Pedrollo NGA-PRO Centrifugal Pumps are designed to transfer liquids that will not damage the pumps components, NGA-PRO pumps feature an open impeller design. This allows them to efficiently handle impurity laden fluids without clogging, making them ideal for various applications including transfers from channels, rivers, tanks, basins, and more. All components in contact with pumped liquids are constructed from AISI 316 stainless steel. NGA-PRO pumps are particularly suitable for pumping non-entirely clean liquids, facilitating the movement of solid particles up to 20 mm in size.We always recommend getting pumps installed by a qualified plumber.The pump should be installed in an enclosed environment or sheltered from inclement weather. CONSTRUCTION Pump Body: Stainless steel AISI 316 with ISO 228/1 threaded ports Body Back Plate: Stainless steel AISI 316 Impeller: Open Impeller in Stainles