If the duct is a standard size, remove the register and drop the fan into the boot. Secure it to the floor on each side with screws. If the duct is smaller than standard, see photos below. Plug the ...

The CK Series of circular inline duct fans includes 12 models in six duct diameters, from 4 to 12 inches. The fans feature pre-wired, factory-installed electrical cords for ease of installation. Their ...

The CK is an inline duct fan that combines the benefits of a radial fan with high pressure and low noise levels along with ease of installation. It installs in any position and is compatible with ...