Actual size h 19 5 8 x w 24 3 8 x d 4 3 4.
Armstrong furnace filters.
Free shipping to the contiguous united states for orders over 99.
Your armstrong air furnace s electronic control system prolongs system life by continuously monitoring internal components for optimum performance and fault prevention.
Remember to change your filter approximately once a month.
Dirty or blocked ductwork.
If so change the filter.
Contact your armstrong air dealer if the problem persists.
Dispose of it and replace it with a new filter of the same size when it gets dirty.
Armstrong armstrong filters armstrong furnace filters armstrong air filters armstrong air conditioning armstrong odor ban carbon filter armstrong replacement filters.
Armstrong air is the professional s choice in home heating cooling.
Check the furnace or air handler filter to see if it is blocked with dust and dirt.
Including oil gas furnaces air conditioners heat pumps package units air handlers.
Changing a home furnace filter regularly is the fastest and easiest way to make sure your furnace is running smoothly and efficiently as well as to help purify the air in your home.
Warranty armstrong air s commitment to a better product is backed by a limited lifetime warranty on the stainless steel heat exchanger and a 10 year limited warranty on parts.