How much more open area does the High-Performance Air Return have when compared to the OG vents?
The High-Performance Air Return gains 50% more open area, allowing more air to flow through.

Will the High-Performance Air Return be flush with the drywall surface?
Yes! The High-Performance Air Return is installed the same way as the OG Air Returns, and all the surfaces are paintable to match your wall color.

Can I use this on floors, walls, and ceilings?
This is only for wall and ceiling vents.

My drywall is already installed, can I use this?
Yes, Absolutely!