3-Pack Perfect Balance In-Door Return Air Pathway

(1 customer review)



The Perfect Balance In-Door Return Air Pathway is easy to install in 1 3/8″ thick hollow core doors. A template is provided to make cutting to exact measurements simple.  This is an economical solution to improve air pressure imbalances in the home and allow your heating and cooling system to perform more efficiently.   The best place to install this product is in the bathroom door.  This will Improve the effectiveness of the bathroom fan increasing the fan’s ability to remove moisture and help prevent the build-up of mildew. Made in the USA with durable ABS plastic material. Patented Design and BPI listed.


Masonite International tested and approved the Perfect Balance® for use in their “Safe N’ Sound Interior Door”

Read: Fine Homebuilding review  

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Save Money on the 3-Pack !

Durable ABS plastic (paintable) and interior baffle to mitigate noise and light. Color White.

24″ width X 4″ height rough opening, fits a 1-3/8″ thick door no less than 30″ in width. Measure door first before ordering!

Click here for product specifications

Click here for installation manual

 Qualifies for the Buy American Act  

For quantity discounts, please contact us at 800.222.5932.

Ground shipping within the continental U.S. only. Canadian customers, please contact us for a quote.

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Spec Sheet


Installation Video:

Installation Guide:
Click here for installation manual

Energy Vanguard’s An Easy Retrofit for Return Air Video:

1 review for 3-Pack Perfect Balance In-Door Return Air Pathway

  1. Luis

    Yes, I received the product very fast and thank you for taking the time to answer me directly.
    The installation can’t be easier, I used a battery operated Jig Saw to cut the doors. each cut was less than a minute.
    It’s very light and feels very strong.

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