SID Air Chamber Valves are used to keep the air in your Bestway Lay-Z-Spa air chamber. Replacement screw valve for air chamber that fits later Bestway Lay-Z-Spa inflatable hot tub models as listed below. The valve fits the following models: Bestway Lay-Z-Spa Premium/Miami Model Number BW54112 (Later Model) Bestway Lay-Z-Spa Vegas Later Model (with either single valve or 3 valves) Riviera Saint Tropez New York Paris Vegas Miami Maldives Bali Tahiti Cancun Ibiza Havana Baja Rio St Lucia Bahamas Barbados Madrid Palma Fiji New York Product Features: Essential for screwing and deflating Prevents air leakage from Lay-Z-Spa Direct replacement for a lost or broken valve Screw diameter approx. 22 mm. Our products are made from the highest quality materials and are designed to give you the best possible user experience. We aim to dispatch all orders within three days of purchase, and the estimated delivery time is 8-86243 days. Please pay attention to the size and dimensions of the product when shopping to ensure that it meets your needs. In the title and we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you like it!