Rickenbacker louvered baseboard grille
If you have a wall duct opening that is located in between two baseboards then this is a good option. Standard woods are red or white oak, and other woods are available. We can make these in just about any dimensions you might need.
These are ordered by the overall dimensions, not the duct opening size. Pricing is (width times height times .9) plus 10. Minimum $90. Shipping is 10%, but at least $16.95.