18x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack lighting helping minimize operational costs

helping minimize operational costs

Late Bloom 7 ml/gallon

• Molecular sieve filter drier

Backlight ON/OFF button

with a concentration of 0

18x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack lighting helping minimize operational costsNordic Pure Custom MERV 7 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