This is a Pentair replacement Element Retro Kit for Easyclean EC90 D.E Filter Systems. This kit is required when replacing filters on models manufactured prior to 2014.
This kit includes 178616 Compression Spring, 190106 Air Bleeder, 178626 EC Center Core Top, U37-3/8P EC90 Air Bleeder Tube, 178656 EC90 Cartridge Element, 178627 EC Center Core Bottom, and 071422 Center Core O-Ring.
