Back in stock due to the high demand for this quality replacement impeller. Slightly smaller than the original one but spins more freely with less resistance on the stainless steel shaft than the carbon shaft. new water pump impeller complete with stainless steel shaft and end caps. If you're water pump has failed or noisy including E02 Error codes then chances are this impeller needs changing. .Product size: shaft net length: Style 1: Product size: shaft net length: 65MM shaft diameter 3MM Style 2: Product size: shaft net length: 87MM shaft diameter 3.5MM Style three: product size: shaft net length: 108MM shaft diameter: 4MM Style 4: Product size: shaft net length: 118MM shaft diameter: 4MM Style five: product size: shaft net length: 125MM shaft diameter 5MM Quantity: 1 Piece Suitable for all Lay Z Spa AirJet Models and Hydrojet Types. Fits all BestWay and Lay Z Spa Egg type units.Miami AirJet, Bali AirJet, Vegas AirJet, Saint Tropez AirJet, Monaco, AirJet, Moritz AirJet, Hawai AirJet, Hawaii HydroJet, Palm Springs, AirJet, Palm Spring HydroJet, Helsinki AirJet