This can change however depending on where your unit is installed.
Hvac attic filter.
Attic hvac filters utilize 100 synthetic fibers and electrostatically charged pleated media which offers an extended surface area for higher dust holding capacity.
If your hvac system is in your attic the air filter may be in a vent in the ceiling.
Which direction does the filter need to be facing.
The filter is easy to grab in fact it may fall out of the vent if it isn t snug so be ready for that.
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.
Build a custom filter ask us a question product catalog customize your air filter in 4 easy steps step 1.
On vertical air handlers with the return air duct entering on the top of the air handler the filter often slides into a slot above the hvac unit.
The filtrete 1900 maximum allergen reduction filter is impressive at removing dust pollen and smoke from the air when the hvac system is running on its highest fan speed earning an.