5 Best Box Fans - Nov. 2021 - BestReviews
Sep 22, 2021 · Fan size. Most box fans are roughly the same size, with a blade diameter of 20 to 21 inches. Because they’re fairly large, they require more space than some other types of fans. However, they typically provide more effective cooling power as a result. CFM. Like all fans, a box fan’s power is measured by how much air movement it provides.
DA: 75 PA: 81 MOZ Rank: 11