I got this deflector for an HVAC unit mounted on the wall near the floor, that blew the air straight out at the level of a seated person. With the deflector mounted on the unit in front of the vent the air goes up, more comfortable. Just be careful to place the deflector exactly right. The adhesive is VERY sticky and cannot be adjusted after it meets the surface. With the hefty shipping charge it’s kind of expensive but effective if you have no other options for adjusting the airflow.
We replaced our can lights and the hole was slightly larger than the new ultra thin led lights we purchased. 1800ceiling to the rescue with these perfectly matching goof rings to fix our goof!
The product was exactly what we expected. The fractional sizing of the diffusers was great, as it provided the correct fit and made installation easy.
Just what I was looking for and the only company that had the lens I needed.
Undercabinet Light Lens 2.625in. wide x 1.25in. high (4113P-322RW-)

