A Second Generation FFU
While Envirco® has introduced a variety of proprietary products, one of its most successful continues to be the MAC 10® family of fan filter units (FFUs). We add to this industry's leading line of products a second generation FFU, the MAC 10® LEDC, which features the most control options and the most versatile control system available on the market today.
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Envirco® MAC 10® LEDC Fan Filter Units

Envirco® MAC 10® LEDC 950 Cubic Feet per Minute (ft³/min) Maximum Air Flowrate Fan Filter Unit
Envirco® MAC 10® LEDC Fan Filter Units

Envirco® MAC 10® LEDC 950 Cubic Feet per Minute (ft³/min) Maximum Air Flowrate Fan Filter Unit
Envirco® MAC 10® LEDC Fan Filter Units

Envirco® MAC 10® LEDC 950 Cubic Feet per Minute (ft³/min) Maximum Air Flowrate Fan Filter Unit
Envirco® MAC 10® LEDC Fan Filter Units

Envirco® MAC 10® LEDC 650 Cubic Feet per Minute (ft³/min) Maximum Air Flowrate Fan Filter Unit
Envirco® MAC 10® LEDC Fan Filter Units

Envirco® MAC 10® LEDC 650 Cubic Feet per Minute (ft³/min) Maximum Air Flowrate Fan Filter Unit
Description N/A A Second Generation FFU
While Envirco® has introduced a variety of proprietary products, one of its most successful continues to be the MAC 10® family of fan filter units (FFUs). We add to this industry's leading line of products a second generation FFU, the MAC 10® LEDC, which features the most control options and the most versatile control system available on the market today.
Brands N/A Envirco®
Nominal Unit Size N/A 2 x 4 ft N/A 2 x 4 ft N/A 2 x 4 ft N/A 2 x 3 ft N/A 2 x 3 ft
Active Filter Face Area N/A 7.2 ft² N/A 7.2 ft² N/A 7.2 ft² N/A 5.3 ft² N/A 5.3 ft²
Maximum Air Flowrate1 N/A 950 ft³/min N/A 950 ft³/min N/A 950 ft³/min N/A 650 ft³/min N/A 650 ft³/min
Energy Consumption Rate at Maximum Air Flowrate N/A 250 W N/A 250 W N/A 250 W N/A 150 W N/A 150 W
Air Flowrate at 90 Feet per Minute (ft/min) Average Speed N/A 650 ft³/min N/A 650 ft³/min N/A 650 ft³/min N/A 470 ft³/min N/A 470 ft³/min
Energy Consumption Rate at 90 Feet per Minute (ft/min) Average Speed N/A 90 W N/A 90 W N/A 90 W N/A 65 W N/A 65 W
Sound Level at 90 Feet per Minute (ft/min) Average Speed N/A 52 dBA N/A 52 dBA N/A 52 dBA N/A 47 dBA N/A 47 dBA
Unit Weight N/A 66 lb N/A 66 lb N/A 66 lb N/A 52 lb N/A 52 lb
Dimension A N/A 23.63 in600 mm
Dimension B N/A 47.63 in1210 mm N/A 47.63 in1210 mm N/A 47.63 in1210 mm N/A 35.63 in905 mm N/A 35.63 in905 mm
Dimension C N/A 14.32 in364 mm
Optional Duct Inlet Connection Size N/A 10 in12 in14 in254 mm305 mm356 mm
Voltage N/A 115 V N/A 220 V N/A 277 V N/A 115 V N/A 220 V
Frequency N/A 50 Hz60 Hz N/A 50 Hz60 Hz N/A 60 Hz N/A 50 Hz60 Hz N/A 50 Hz60 Hz
Phase N/A 1
Full Load Current N/A 2.75 A N/A 1.75 A N/A 1.35 A N/A 2.75 A N/A 1.75 A
Intended Application N/A Air Conditioners
Industry Standards / Certifications N/A cUL listed (115 V, 208-240 V, 277 V) with standard UL 900 filter, File number E152685 (UL507)
Filter Type N/A High Efficiency Particulate Air (HEPA)
Filtrand N/A Particulate
Minimum Efficiency Reporting Value (MERV) Rating N/A MERV 8
Filter Housing Material N/A Mill Finished Aluminum
High Efficiency Particulate Air (HEPA) Filter Efficiency at 0.3 Micron Size N/A 99.99 %
External Static Operating Pressure N/A 1.0 inWg200 Pa
Orientation N/A Horizontal
Additional Information N/A A Green Product Solution
The MAC 10® LEDC FFU can help provide opportunities to earn LEED points with its many energy-saving features.
Note: LEED (Leadership in Energy and Environmental Design) is the rating system of US Green Building Council by which building designs are certified.

By taking advantage of a unique combination of EC motor technology with ENVIRCO®'s proprietary baffling system and backward inclined fan, the LEDC tops the industry in energy-efficiency. Its electronically commutated (EC) motor with internal microprocessor offers high performance and delivers long motor life with energy consumption rates as low as 90 W at 90 fpm. Utilizing ENVIRCO®'s experience in FFU development, the LEDC also features low sound levels of 52.3 dBA, which are a MAC 10® family benchmark.

ENVIRCO® MAC 10® FFUs are used worldwide for a variety of critical clean air applications. Learn more about how you can benefit from the LEDC in your next critical room application.
Features N/A
  • New Universal Control Card
    • Network Speed Control, MOBUS RTU
    • Manual Speed Control, On-Board Potentiometer
    • Analog Speed Control, Remote 0-10 V
  • Electronically Commutated (EC) brushless motor with internal microprocessor
  • Backward-inclined centrifugal fan
  • Walkable plenum (excluding pre-filter), rated to 250 lbs.
  • Washable pre-filter
  • Manufactured to IEST recommended practices
Optional Features N/A
  • Room-side Replaceable Filter (RSR)
  • Room-side Replaceable Filter and Motor Assembly (RSRE)
  • Infrared Speed Control: Room-side airflow adjustment with a hand-held remote control
  • Ducted Inlet Connection (shipped loose)
    • 10" (254 mm)
    • 12" (305 mm)
    • 14" (356 mm)
  • Direct connection to air conditioning supply
  • Flow-through light fixture provides illumination with minimal airflow disruption
  • Powder coat white paint or stainless steel housing
  • Room-side 3/8" Challenge Ports: Convenient aerosol challenge and HEPA filter testing. Standard on RSE and RSRE units
  • CE certified on 230 V units
  • ULPA 99.9995 % at 0.12 micron PTFE and low boron.
  • 3/4" Knife Edge: Permits easy placement in gel track ceiling grid system (available on RSR and RSRE units only)
  • MERV 8 pre-filter available
Note N/A Performance tested in accordance with the (ANSI/AMCA 210-07), (ANSI/ASHRAE 51-07) test standards for Certified Aerodynamic Performance Rating.

90 fpm values based on active filter face area. BTU = Watts x 3.413.
  • 1 Maximum CFM rating based on free air volumes @ high speed motor setting.