Bio-Fighter® 4Xtreme

Whether it is Mother Nature or a splash of coil cleaner, the Bio-Fighter® 4Xtreme rooftop UV-C fixture, equipped with a UL listed NEMA 4X interlocked enclosure, can handle the harshest of HVAC environments.


Many rooftop AHUs are candidates for high power commercial UV-C fixtures and the 4Xtreme is the Bio-Fighter® for the job. The multi-input voltage power supply rated for 120V to 240V, along with your choice of three lamps lengths, provides the installer with a very compatible UV-C fixture for the majority of roof-top applications.


  • NEMA 4X weatherproof enclosure
  • Custom T6 high-output UV-C lamps
  • Patent-pending lamp retention system
  • 21", 33", and 45" lamp lengths
  • Cover safety interlock
  • Multi-voltage electronic ballast
  • Tilt-Lamp capability
  • Inline safety fuse
  • Limited lifetime warranty



11.563"L x 8"W x 4.25"H

8.2 lbs.

120V to 240V electronic ballast.

Full Load Amps:
0.90 @ 120V. 0.50 @ 240V.

UV Output:
720 to 840 microwatts* depending on model.
*Measured at 12", 50 degrees, 24x24 duct, 500 fpm.

Ozone Generation:

Average Bulb Life:
9000 Hours Continuous


Professional Installation Recommended.
The Bio-Fighter® UV-C Light System most suitable for your needs should be recommended and installed by a UV-C trained professional. New electrical service may be required at the installation location and this should also be performed by a trained professional.

Do Not Mount Device In Any Location That Allows Ultraviolet Light To Be Seen After Installation. [More]