Waterway Filter Lock Ring Assembly, Top Load Filter, 500-1000

Replacement filter lid retaining ring for Waterway brand pressure filters. Easily identified by the gray locking tab with scripted "W" stamped in it. Used in many different spa brands, such as Cal-Spas, Leisure Bay Spas, Spa Manufacturers and Morgan to name a few.

AKA/Replaces: 500-1000, 5001000, 603226, 806105087638, 4740-01