Bestway Part Number P6613.Fits Newer Lay-Z-Spa Models OnlyThis Bestway Lay-Z-Spa Air Inflation Hose is suitable for use with all later Bestway Lay Z Spa inflatable Miami & Vegas, St Tropez hot tubs onlyThis flexible Bestway inflation hose adapter connects directly onto your Bestway Lay-Z-Spa Pump Heater Unit. Once connected, activate the bubbles button on your Lay-Z-Spa Pump Heater, and you can inflate your Lay-Z-Spa Liner and inflatable lid (lid only on Platinum and Monaco).These Bestway Lay-Z-Spa inflations hoses also have a built in air regulator to help ensure that you do not over inflate your liner or lid. Safety Information:Warning. Not suitable for Children under 3 years. Lay-Z-Spa Bestway Black Inflation Hose For New Airjet Spas