HAYWARD B-218 Replacement Pump Strainer Basket for SP4000M B218 Northstar Pump New Hayward B-218 Replacement Basket Genuine Part Quality Made Fits Hayward Pump Models: SP4005NS, SP4007NS, SP4010NS, SP4015NS, SP4020NS, SP4030NS Dimension: 10.75" H x 7.125" Across Top x 5.125" Across Bottom