This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Replacement bump handle assembly for Hayward Extended Cycle DE pool filters. This item replaces Hayward part number ECX1040 and is compatible with Extended Cycle models: EC30, EC40, EC40AC, EC50A, EC50AC, EC65, EC65A, EC75 and EC75A. Dimensions: 16-in. x 1.5-in. x 2.5-in.