This fan with 2 blade sets om the same motor (The smaller blade set just blocks the air from the bigger blade set)
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Holmes HAOF613 2Cool Oscillating Fan | Initial Checkout
https://youtu.be/o6BRJyFCWuI
The initial checkout of a Holmes 2Cool 12" oscillating fan model HAOF613. This product is an excellent example of when marketing and gimmicks ruin what would...