This Skimmer Weir Key Looks Like A White Clip And Is Used To Secure The Entire Weir Assembly Inside The Filter Compartment. It Is Used On Hot Spring Spa Models: 2005-06 Accolade, 2007+ Aria, 1993-2000 Classic Grandee, 1993-2003 Highlife, 1993+ Jetsetter, Prodigy Sovereign And 2002-03 Sovereign Limited Editions (Ile) Specifications Category: Skimmers / Suctions / Drains Subcategory: Skim Filter Assemblies / Parts 33933