Our low energy fan filter units also consist of low sound and a low profile. The 170 watts filter unit uses less energy which results in lower operating costs. The units contain a three-speed switch feature on all 2 foot and 4 foot units.


Low Energy Consumption

The unique design and low noise level provides an affordable high efficiency air filtration system that delivers up to 800 CFM of ultra clean air with low energy consumption and low heat gain.

HEPA or ULPA Filters

The system is available with HEPA or ULPA filters and can be built to meet practically any electrical requirement.

Class 10 — Class 100,000

It is ideal for Class 10 through Class 100,000 cleanroom systems and available in various housing types and profiles.

Easy Installation

The tapered design allows easy installation and maneuvering into the ceiling grid and, once installed, the unit provides complete flexibility to control speed and operation of the unit from room side.

fan filter unit

Low Energy, Low Sound, Low Profile

As one of the most innovative Fan Filter Units (FFU) available, this unit combines low watts, low sound and a low profile. The unit sound level is only 49 dBA, and by operating at 170 watts,it uses less energy, resulting in lower operating costs. Plus, the unit still measures less than 13 in. (330 mm).

Features and Benefits

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Three-speed Switch:
Featuring low, medium and
high setting standard on all
2 ft x 4 ft (600 mm x
1,210 mm) units

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Solid State Speed Control:
Standard on 2 ft x 2 ft (600 mm
x 600 mm), 2 ft x 3 ft (600 mm
x 905 mm), and 2 ft x 3.5 ft
(600 mm x 1,057.5 mm) units

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Meets Latest IEST
Recommended Practices:
High efficiency particulate air
(HEPA) filter is standard

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Snap-in Pre-filter:
No tools required

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External Static Capability:
0.55 in. w.g. (138 Pa) external
static capability at 90 ft/min
(0.45 m/s) with HEPA filter


Walkable Plenum
(Excluding Prefilter):

Provides a durable and sturdy walking surface

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UL Listed:
120 V, 240 V, 277 V
and CE marked (240 V)

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Worldwide Applications:
Various sizes and voltages available



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Solid State Speed Control:
Available on the fan filter unit
2 ft x 4 ft (600 mm x 1,210 mm)

room side replaceable

Room-Side Replaceable (RSR):
Gel seal filter element (available
on RSR and RSRE models)

ultra low penetration

Ultra Low Penetration
Air (ULPA) Filter:

99.9995% efficiency at
0.12 micron or larger

airflow indicator

Airflow Indicator Light:
Allows external monitoring
of unit operation

a/c collar

A/C Collar (12 in.
(305 mm) Diameter):

Direct connection to air conditioning supply

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Fluorescent Light:
Provides illumination with
minimal airflow disruption

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Ion Bar:
Neutralizes static charges
below the HEPA filter

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Painted or Stainless Steel

power cord

Power Cord:
Provides convenient plug-in connection for non-permanent applications

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Challenge Port:
Permits convenient aerosol challenge and HEPA filter testing

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Knife Edge:
Easy placement in gel
track ceiling grid systems

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Custom-Sizes Available

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