Filter fan line include models with NEMA 4 or 4X ratings together with indoor or outdoor use. Guardian/GuardianX Series dissipate high heat loads economically.Filter fans Kooltronic Inc. Two models are available with airflows from 90 to 290 cfm (fan airflow without filter).

 Kooltronic Inc. (609) 466-3400 www.kooltronic.com