The Friedrich C-90B Electronic Air Cleaner - Breathe Easier, Fight Allergies & Attack Asthma
Fight allergies and attack asthma with the Friedrich C-90B Air Cleaner
The C-90B Air Cleaner from Friedrich, maker of the best air cleaners
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Buy the Friedrich C-90B, the top-rated air cleaner on the market today!
The Friedrich C-90B
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Allergies or Asthma?
How does the C-90B work?
Frequently Asked Questions
Benefits of the C-90B

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Frequently Asked Questions
Can I use my C-90B with my window open?
While the C-90B has three fan speeds and can effectively clean a large area, the product is designed to clean the air in your home and not air coming from outside of your home.

• What is the difference between the Friedrich C-90B and the Friedrich C-90A?

• Why does the light on my C-90 blink or flicker?

• Is the C-90B effective against mold?

• Does the C-90B electronic air cleaner produce any ozone?

• How can I buy replacement carbon filters?

• How often should I replace my carbon filter?

• Do I need to replace my pre-filter?

• Where do I get filters for my C-90A or C-90?

• How do I find a Friedrich dealer in my area?

• Where can I download an Owner's Manual?

• What are the Friedrich C-90B's dimensions?

• How often should I replace the carbon filter in my Friedrich air cleaner?

• How quiet is the Friedrich C-90B?

• Aren't the filters really expensive?

• How large an area will the Friedrich C-90B handle?

• Will the Friedrich C-90B discolor walls, drapes or furniture?

• How do I know which air cleaners are really effective?

• How much electricity does the Friedrich C-90B air cleaner require?

• How do I clean my Friedrich air cleaner?

• How do I install a carbon filter on my electronic air cleaner?

• Can I use my Friedrich C-90B with my window open?

• Why is my electronic air cleaner making a popping sound?

• Are there discounts for purchasing more than one Friedrich C-90B?
The C-90B Air Cleaner from Friedrich, maker of the best air purifiers Friedrich Air Conditioning - Maker of the top-rated C-90B Air Cleaner
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Fight allergies and attack asthma with the Friedrich C-90B Air Cleaner
Since its founding in 1883, Friedrich Air Conditioning Co. has had one manufacturing standard - quality without compromise. Over the years, the company's products have changed, but the commitment to quality has endured. The Friedrich C-90B Electronic Air Cleaner, consistently rated number one in consumer and industry testing for removing pollen, dust, cigarette smoke and other airborne pollutants from room air, is another in a long line of products that has set the standard for quality in air treatment and demonstrates the Friedrich commitment to its customers.
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The Friedrich C-90B
Electronic Air Cleaner