14x22x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK Passes strict lab parts per

Passes strict lab parts per billion testing

Powerful sanatizing effects with Aloe Vera to keep your skin healthy and soft

the powdery mildew commonly found on blackberries

and floors

633 and the FS+UV to create a custom light spectrum for a start-to -finish combination

14x22x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK Passes strict lab parts perNordic Pure Custom MERV 14 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