This part is a replacement PVC adapter for select Hot Spring hot tubs. For your slip fittings, this 3/4" by 1/4" PVC is used to connect vinyl tubing.
Cement or PVC primer should be used to secure the fitments. Compatible with 1998 to 2018 Hot Spring Highlife, Hot Spot, Limelight, and Solana spa models.
*Check specs section for full list of compatible models and years.