Product Parameters
Compatible with Bestway Lay-Z-Spa airjet and hydrojet models. This spare part is an impeller and shaft kit made of plastic, metal, and magnets. The stated product size is 7.3 x 3.7 x 1.6 cm. Based on the provided information, the spare part includes the rotor, shaft, and bearing.

Core Features
This component is designed as a replacement impeller and shaft assembly for spa pump use. The combination of plastic, metal, and magnetic elements reflects the stated material construction, while the included rotor, shaft, and bearing directly support replacement according to the specified product details.

Suitable Scenarios
Suitable for replacing a worn or damaged pump impeller assembly in compatible Bestway Lay-Z-Spa airjet and hydrojet models. It is intended for users who need a matching spare part for spa pump maintenance or repair.

Product Summary
This is a replacement impeller and shaft kit for spa pumps for compatible Bestway Lay-Z-Spa airjet and hydrojet models, featuring a compact structure, specified material combination, and included rotor, shaft, and bearing.