See the chart below the filter you need corresponds to the width of your unit.
Attic carrier furnace filter location.
If your hvac unit is installed in your attic for example then your filter may be installed in an air vent instead of a return duct.
If you have a thicker filter that is 4 or more the slot should match accordingly.
The furnace filters for the carrier 58mcb is found on the bottom of the unit usually on the side.
On other hvac systems the air filter may be located behind the return air grill on a wall in your home.
On hvac systems with a return in each room there may be an air filter behind each of the return grills.
Look for the filter along the sides top or bottom of the blower cabinet.
Typically the unit would be found in a basement an attic or sometimes in the back of a closet.
Overall efficiency p efficiency within a model group will tend to vary by the size capacity of the unit.
In a traditional hvac system your air filter is usually installed between your hvac unit and your return duct.
The filter may be positioned horizontally or vertically depending on the model.
Most single home residential systems include either a vertical or horizontal indoor air handler unit furnace or fan coil typically in a basement furnace utility closet garage or sometimes an attic.
Locate the furnace filter inside the blower cabinet.
Where is the furnace filter located for the carrier 58mcb.
The exact location of the filter can vary depending on the indoor hvac unit and type of system.
Once it is located look for a slot where an air filter should fit.
This can change however depending on where your unit is installed.
On vertical air handlers with the return air duct entering below the air handler the filter often fits in a slot located below the hvac unit.
What you are seeking is a 1 wide hinged or removable cover.