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BoAir Aluminum Electrostatic Furnace Filter
BoAir Aluminum Electrostatic Furnace Filter
Product Code : BA-ALUM
Regular Price : $149.99
Sale Price : $69.99
Brand : BoAir
Choose Your Electrostatic Filter Thickness :
Choose Your Electrostatic Filter Size :
My overall filter size is :
How did you measure your filter? :
Enter Custom Filter Size (ie: 20-1/2 x 23-5/8 x 1) :
Quantity :
Product Features
  • BoAir is considered the "Industry Standard" in Electrostatic filters
  • Lowest Price Anywhere & Free Shipping
  • Lifetime Warranty - Permanent & Washable
  • Very Heavy-Duty Aluminum Frame
  • High Arrestance - Over 90%
  • Low Initial Arrestance - 0.10 w.g. at 1200 CFM
  • The only filter embedded with VIBAX MI-50 anti-microbial agent
  • No Polyester = easier to clean and less restrictive
  • 5 layers of filtration media
  • A unique combination of Polypro with Polyurethane foam media attract and hold airborne pollutants
  • Genuine BoAir filters can be identified by their unique serial number
Product Description

BoAir Electrostatic Filter
BoAir - name

Genuine BOAIR 5-stage electrostatic filters.

Canadian orders will be charged an additional $35.00 for shipping. Additional shipping charges also apply to HI, AK, FPO and APO..

** 5-Stage Filtration ** High Dust Arrestance ** Low Air Resistance ** No Polyester **

This 5-stage air filter is great for reducing allergens and dust in your indoor air. Recommended for allergy and asthma sufferers. Up to 25 times more effective in removing airborne dust, spores, dander and other contaminants than disposable filters.

We are an official BoAir authorized factory dealer.

Due to our high volume of filter sales we can offer these filters at 50% off normal retail pricing!! Contact us if you find a lower price and we will match it.

Available in any size up to 1200 square inches in 1/8 inch increments

HOW TO ORDER...3 Easy Steps

  1. Determine your frame size in square inches by multiplying the length by the width. For example, a 20x30x1 filter is 600 square inches (20x30=600)

  2. Find your filter size in the drop-down menu or choose CUSTOM and enter the size in the ENTER CUSTOM FILTER SIZE box above. 

  3. Use the 3rd drop-down menu above to choose how you measured your filter size. Either (A) The size you entered is printed on your current filter...or...(B) You measured the filter yourself with a tape measure...or...(C) You measured the opening where the filter goes yourself with a tape measure.

Note for multiple filter purchases: You will have to go through this process for each filter you order.

Feel free to email us at with any questions.


BoAir 5-Stage Filter

*Highest quality in the industry - we're so confident in our electrostatic filters that we back them with a lifetime warranty (10 years for commercial applications).

*No polyester - BoAir electrostatic filters contain NO polyester, meaning they are easier than ever to clean, and they're less restrictive than competing products.

*High performance - BoAir filters have undergone independent A.S.H.R.A.E. testing and boast dust arrestance in excess of 90% with initial resistance of a mere 0.10 w.g. at 1200 CFM.

*Easy for you to maintain - BoAir electrostatic filters are permanent, washable and re-usable. Simply rinse with clean water, let dry and re-install.

*The Only filter with VIBAX MI-50 - BoAir electrostatic filters are the only ones embedded with VIBAX MI-50, an anti-microbial agent which helps prevent the growth of mold and mildew.

For the past 12 years, BoAir Inc. has manufactured its high-quality permanent air conditioning and heating filters for residential and commercial use. Our permanent filters are "drop-in" replacements for existing disposable filters and are up to 25 times more effective in removing airborne dust, spores, dander and other contaminants than regular filters.

BoAir filters are constructed with 5 layers of media (not just three like others) and surrounded by a rugged aluminum filter frame. A unique combination of Polypro with Polyurethane foam media attract and hold the airborne pollutants inside the layers of the electrostatic filter until they are released by washing.

Installation: Simply install your BoAir Electrostatic Air Filter where your old filter was located. The arrow on the filter frame indicates the direction of the air flow. Air will travel in through the light side of the filter and out through the dark side.

BoAir Washable Furnace Filter

Cleaning: BoAir filters should be cleaned every 4-6 weeks. To clean, remove your filter and use a brush or vacuum to remove dry dust. Next, rinse with water in the opposite direction of the airflow arrow. If necessary, an all-purpose cleaner such as Formula 409® or Fantastik® can be used to remove cigarette smoke residue or other contaminants that may adhere to the filter's media.. After using, rinse thoroughly, drain excess water until dry and reinstall. Don’t expose your filter to direct sunlight or extreme heat for any extended period of time, and never use oil or other chemical sprays on your filter.

A Genuine BoAir filter can be identified by its logo and a unique serial number.

Please allow 7-10 days for UPS shipping.

FREE shipping in U.S & FREE shipping insurance

Canadian orders will be charged an additional $35.00 for shipping. Additional shipping charges also apply to HI, AK, FPO and APO addresses.
Please note that Canadian orders may be subject to customs and brokerage fees...we have no control over these fees.

Colorado residents pay 3.9% sales tax.

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