Introduction
Krown Fan Filter Units are ceiling module diffusers consisting of a fan/motor assembly and Roomside Removable (RSR),
or Bench Top Replaceable (BTR) filters. The module is designed to provide unidirectional vertical airflow of filtered, clean air
over a cleanroom space.
Krown Fan Filter Units will have four (4) stickers located on the back of the plenum. For ease of troubleshooting assistance,
replacement parts, and general factory assistance, it is recommended that the order number, and model line string be used
as reference. This information can be found on the Factory Label.
ETL label
Factory label
Factory performance label
Eyebolt
Optional pre-filter
Speed controller
Optional duct collar
Motor/blower assembly
For more information visit
KeystoneCleanAir.com
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