Generic Strainer Cover O-Ring for C400/C500 Spectrum Fusion Starting Block Setback Distance The springs are sold separately

The springs are sold separately in matching colors according to the size of your diving board

It has pockets for storing an extra set of electrodes and a sleeve for batteries

It can be used as a vacuum fitting or receptacle for any 1-1/2 inch MIP directional flow inlet fitting

The all purpose micro filter allows only water to remain in your pool

The meter utilizes a reed switch to provide a pulsing dry contact signal

Generic Strainer Cover O-Ring for C400/C500 Spectrum Fusion Starting Block Setback Distance The springs are sold separatelyThis is a Generic Strainer Cover O Ring O 504 replacement with dimensions for Hayward Easy Clear Filters Model C400 and C500. This o ring also fits Speck pump parts 2621141222.