Homeowners buy expensive filters because they want to improve the air quality and comfort in their homes. Ironically, the filters often make things worse. Look inside the panel of a furnace or blower for a central air conditioning system and you'll find the manufacturer's rating label. This is the maximum resistance for which the fan is rated. The rating is expressed in inches water gauge.
Will Rea — Non of the others would help me with my AC. Called Ken and with no hesitation he said sure I can do it. Would I recommend