Factory Assembled 2 hp Grinder Pumps 48" Diameter System Pre-designed QE-Series quadplex systems ship quick (2 days typical). These 48” diameter tanks are available with multiple depth options. Redundant operation provides better backup option. System is easily modified to run two pumps at a time for minimum flows. Cost effective option compared to 2 larger 5 hp grinders. BIM models and engineering specifications are available for these systems. - See more at: http://www.libertypumps.com/Product/Q4884-Series#sthash.N72NeVFX.dpuf