PowerZone F-5280A Twin Window Fan with 2-Speed, 7" Winter_Items it easily supports up to

it easily supports up to 25 pounds

or antique a lot

and allows enhanced performance with the addition of a booster pump

Rotate guard without loosening from gun

Number in Package: 5000 pk

PowerZone F-5280A Twin Window Fan with 2-Speed, 7" Winter_Items it easily supports up toHighlights: Size: 7" Color: White Two speed settings Adjustable extender screen and bonus extender panel help to securely mount the twin window fan into larger windows Slim design allows use with a window screen in place It will only fit in a window with a width of 20" 30" Ideal for use in living rooms or bedrooms WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth