1.Part number:SF60110-2 2.Compatibility:Compatible with SX3000 16 Inch Sand Filter Pump 3.Easy installation: Just remove the broken or old center pipe hub and install the new center pipe hub in its original position 4.MIN & MAX Marking：There are minimum and maximum markings on the center pipe hub. It is recommended to pour sand into the tank until it is between the minimum and maximum values 5.Please confirm the product model and compatible size before purchasing Center Pipe Hub Replacement