Compatible with all CSI Signature 1 and 2 filters except for CSI Nitro, Nitro Pro and Sidekick, and all Watersoft Isobar 2 filtersexcept for the Centuri and Sidewindr
Includes:
Seal and spacer kit
Piston assembly
Replacement o-rings for tank, dist. tube, drainline flow control, and adapter couplings
