Editorial Review This seal assembly kit is designed to use with Hayward SuperPump models SP1600X5, SP1605X7, SP1607X10, SP1608X10, SP1610X15, SP1611X15, SP1615X20, SP1616X20, SP1621X25 and also compatible with Hayward MaxFlo pump models SP2800X5, SP2805X7, SP2807X10, SP2810X15, SP2815X20. Weighs 1.6-Pound.