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Guardian Series NEMA 4 & NEMA 4X Enclosure Fans

Guardian/GuardianX Filter Fan

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All-Weather Filter Fans for Cooling NEMA 4 & NEMA 4X Enclosures

The Guardian Series line of cabinet cooling fans from Kooltronic offers the security of NEMA 4 or NEMA 4X Ratings together with the versatility of indoor or outdoor use. Guardian Series Filter Fans are a perfect choice for dissipating high heat loads effectively and economically. These all-weather enclosure fans have a baked powder finish, and offer the same convenience, versatility and reliability as the Advantage Series and Sentry Series Filter Fans with the added protection of a NEMA 4 or NEMA 4X Rating, making them safe for washdown and other enclosure cooling applications in the food and beverage industry.
  • Airflow Capacities: 20 to 444 CFM
  • NEMA 4 or NEMA 4X Rating Maintained
  • Integrated Fan Guards & Sealing Gasket
  • IP55 Filter Protection
  • UL/CUL Listed
For general ventilating use only. Do not use these fans to exhaust hazardous or explosive material and vapors.
NOT ALL SYSTEMS ARE SUITABLE FOR UTILIZING OUTSIDE AIR.  To protect sensitive components against condensation an enclosure heater or closed-loop cooling is recommended. To protect sensitive components against corrosive elements closed-loop cooling is recommended.
Select a Model
KNP32FL
KNP32FL Fan
Capacity: 20 / 27 CFM*
Size: 8"H x 6"W x 5"D
Learn more »
KNP36FL
KNP36FL Fan
Capacity: 26 / 26 CFM*
Size: 8"H x 6"W x 5"D
Learn more »
KNP40FL
KNP40FL Fan
Capacity: 40 / 45 CFM*
Size: 18"H x 10"W x 5"D
Learn more »
KNP60FL
KNP60FL Fan
Capacity: 84 / 92 CFM*
Size: 18"H x 10"W x 5"D
Learn more »
KNP180FL
KNP180FL Fan
Capacity: 177 / 179 CFM*
Size: 23"H x 12"W x 10"D
Learn more »
KNP225FL
KNP225FL Fan
Capacity: 350 / 444 CFM*
Size: 23"H x 12"W x 10"D
Learn more »
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Tuesday, May 20, 2025  
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30 Pennington-Hopewell Road
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609-466-3400
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