This replacement Cap for the filter standpipe fits on all Hot Spring spa models. The grey cap is commonly used on the standpipe that holds the AG+ Cartridge.
Handle the standpipe cap with care when installing. Compatible with 1993 to 2013 Hot Spring Highlife, Hot Spot, Limelight, Solana, and Tiger River spa models.
*Check specs section for full list of compatible models and years.
