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Review on Compact and Powerful: Introducing the Polar-Aire S-9PB Mini Box Fan (9-inch) by Jennifer Brogdon

Revainrating 3 out of 5

Bearings are lubricated, no oil. Bearings can wear out quickly.

Grease is used in bearings. This is NOT what you put in plain bearings (except). it can overheat. I use them to replace 13 year olds in a similar case fan I have. It's a good fan, it can't last forever.

Pros
  • Certificate GOLS
Cons
  • Communication with the seller