Do not measure the old register or vent.
Ac ceiling vent sizes.
If your duct opening measures 9 3 4 x 9 3 4 a 10x10 cover will work.
You can attach the vent to almost any duct opening whether it s a ceiling or a sidewall.
There is no need for precise measurements you can round the measurement to the nearest 1 2 size.
Registers are the most common type of supply vent.
Locate the register or grille you are replacing and note if it is for a wall ceiling or floor.
Measure the size of the air duct opening.
If your duct opening is rounded to the nearest 1 2 size and you still cannot find your duct opening size listed don t worry.
Register vent boosters pull more air from registers and increase comfort in rooms that aren t served by your hvac system.
Furthermore what we ve loved the most is that it s 12 x 6 compact size makes it very convenient to fit.
Air will move straight through registers and grilles.
The register shown above is a common aluminum adjustable curved blade one way 10 6 ceiling register.
Remove the screws that hold the vent in place.