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Lasko box fan wattage5/24/2023 Some higher-tech portable models can choose the most efficient power source to charge from, or even charge your phone in a pinch. That said, it’s possible to buy a fan with a built-in air filter if that interests you. When it comes to extra features, most box fans are pretty basic. Most box fans have at least two speed settings, if not three. Also consider the number of settings you need. Steel blades tend to be more durable, but also more expensive. Plastic blades are inexpensive and lightweight, making the fan easier to move. ![]() But fans don’t just need to be powerful - the material the blades are made from matters, too. For a standard 20-inch box fan, the CFM typically ranges from 1,000 to 2,500. This is measured in cubic feet per minute (CFM), and generally speaking, the higher the better.Ī high CFM means a more powerful fan. When you’re shopping, look for fans with multiple speed settings and pay attention to how much air each fan can circulate. Relatively compact 9- or 10-inch models are also available for tabletop use, and some compact models can be powered with batteries so they’re super portable. Full-size fans typically have a diameter of 20 inches, but they can vary in thickness, with slimmer models measuring about 3 inches deep. ![]() Looking to cool down? The best box fans can effectively circulate large amounts of air.
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