16x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Drying Racks For heavier infestation cover 1

For heavier infestation cover 1

Select Cooling Mode or Heating Mode with a simple click and turn of the unit’s dial

Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air condition filter

Optimal trimming speed is 35 RPM

Mineral buildup and lockout is a major cause of deficiencies and plant health problems-solve these issues with Athena Cleanse

16x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Drying Racks For heavier infestation cover 1Nordic Pure Custom MERV 13 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition