Active Air Flanges led The S-Series of inline exhaust

The S-Series of inline exhaust fans provide the power and flexibility needed for residential and commercial applications

These powerful mixed-flow digital fans are 32-bit microprocessor-controlled and offer outstanding performance and value

Space efficient

Unit will remain in stand-by mode until the next call for humidification

Active Air Flanges led The S-Series of inline exhaustHelp your Active Air fan operate with a filter at its most efficient and effective capacity by installing a corresponding Active Air flange. Available in sizes that match our entire line of Active Air filters, the flanges include sealing foam and six screws for an easy fit. Connect these flanges to ducting, and not directly to the fans themselves. Regular flanges come in 4", 5", 6", 8", 10", and 12". Wide mount flanges are also available, in 6" and 8"