6x30x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification 6 - Outer buckets

6 - Outer buckets

Battery % displayed on startup

Aside from changing the spectrum

Cleanrooms

6x30x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification 6 - Outer bucketsNordic Pure Custom MERV 8 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