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F72 Kitchen Emissions Exhaust Air Cleaner



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F72 Kitchen Emissions Exhaust Air Cleaner
The F72 in-line electronic air cleaner removes airborne particles such as tobacco smoke, dust, cooking smoke, soot, pollen, bacteria, and cigarette smoke from the circulating air in large residential or light commercial buildings. The F72 is mounted in the return air duct of a forced air system. One or two electronic cells remove airborne contaminants with up to 99 percent efficiency. Rooftop or interior mounted, the F72 is modular and can be configured for an infinite capacity. Outdoor, insulated enclosures available.

  • Economical, non-wash system requires no plumbing

  • Galvanized finish withstands the demands of restaurant environments

  • Side access door for easy maintenance

  • Stackable customized modules provide design and installation flexibility for any size installations

  • Up to 99% efficient to ensure clean air

  • Optional carbon filter eliminates odors

How They Work...

Below illustrates airflow for two configurations or methods of installing restaurant or commercial kitchen emissions cleaning systems. 

 Inside Building

 Outside Building

Indoor Configuration
The air cleaning unit goes between ducting from the kitchen hood to the exhaust fan. A unit can be install in a crawl space or bolted between ceiling rafters.

  1. Kitchen smoke and grease vapor are pulled up into the hood.
  2. Smoke and grease vapors are pulled up fireproof ducts that lead to the filtration unit inside the building.
  3. Smoke and grease are extracted from the air as it passes through the filters.
  4. Clean air flows out of the filtration unit through ducts leading to the blower and out of the building.
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Outdoor Configuration
Weather protective enclosures allow the air cleaning unit to sit outside the building. It installs inline with ducts leading to the blower.

  1. Kitchen smoke and grease vapor are pulled up into the hood.
  2. Smoke and grease vapors are pulled up fireproof ducts that lead to the filtration unit outside the building.
  3. Smoke and grease are extracted from the air as it passes through the filters.
  4. Clean air flows out of the filtration unit and out through the exhaust fan.

How Electrostatic Precipitation Works

Dual-stage electrostatic precipitators include two parts: the charging and the collecting sections. In the charging section, the incoming smoke, grease, mist, and other particulates pass by ionizer wires which impart a positive electrical charge to these contaminants. The positively charged contaminants are then drawn through the collection section which contains a secondary electrical field with negatively charged aluminum plates. Since opposite charges attract, the positively charged contaminants collect on the negatively charged aluminum plates, removing them from the air stream.