• SUNDANCE Spa Mesh Drain Covers - 3", 1 per pack - I offer volume discount if you order more than 1. 
• 3" Drain Cover
• Used on Sundance Spa Models from 1997-2003
• Original Sundance Spa Parts

It is the smaller version of the mesh drain cover, and it doesn't work for spas made after 2003. If your spa is newer than 2003, it probably needs the larger 5" diameter version, please search PN is 6540-213.