Comfort First Filtered Diffuser – 4 Way Commercial Air Vent Diverter

From $130.00

The Comfort First Filtered Diffuser is a commercial diffuser that offers you a comfortable environment on top of unbeatable air quality. Working with both MERV 12 and MERV 14 filters, this air diffuser makes it easy to dictate airflow control with the adjustable louvers while still maintaining a sleek look within your building.

MERV12 – Perfect for offices and most buildings. (Selected by default)

MERV14 – Used in Hospitals, labs and other places where static pressure isn’t an issue.

Prices vary based on options selected below.

If you just need replacement filters – click the filter link.

You will need to make a selection in each of the drop downs below before you add the product to your cart.



  • Incomparable Comfort
  • Easy to Install
  • MERV 12 & MERV 14 Filters
  • Improves Indoor Air Quality (IAQ)

The Comfort First Filtered Diffuser is a commercial air diffuser that eliminates drafts inside of your office, while also improving the quality of air that you’re breathing in. This supply air diffuser allows for you to have directional control of the airflow in your office. 

This commercial air vent or diffuser solves two major problems within an environment. Our four-way adjustable louvers directs airflow when you would like to eliminate a draft that is blowing on employees or customers within your establishment. This air diffuser minimizes the hot and cold spots that are found throughout a building, making your employees more comfortable and complain less.

The Comfort First Filtered Diffuser hangs only 1.75” from the ceiling, making it discreet enough to use in an office, restaurant, hotel or retail setting. This air diffuser comes with MERV 12 filters and traps any pollutants or particles as small as .03 microns in size. With the high ability to filter, this air diffuser is at a 40.6% efficiency level at 150 fpm. This easy to install air diffuser works with any 24” 24” drop ceiling with a T-bar grid system. A more efficient MERV 14 filter is also available. Whilst the CFFD was designed as a 2×2 air diffusers for drop ceilings it can also easily be mounted on hard ceilings thanks to our surface mount backpan.

The Comfort First Filtered Diffuser is known to the industry by a range of names including the 4 way diffuser, filtered supply diffuser, Louvered Face Directional Diffuser With Filter, the IAQ 1000 and the filtered air diffuser.

Benefits for your office:

  • Controlled air flow
  • Easy to maneuver levers
  • Easy to install
  • Seamlessly fits in with your office space
  • Higher quality of air
  • Happier healthier employees

Sizing information:

  • 24” x 24″


Additional information

Weight 12 lbs
Dimensions 25 x 24 x 5 in
Select Filter

MERV 12, MERV 14

Select Backpan

None, Universal Backpan, 6 Inch, 8 Inch, 10 Inch, 12 Inch, 14 Inch, 16 Inch, Surface Mount

Include my first filter change out (Filters ship free and at volume pricing)

No, Thanks, Yes, Please!


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