25x30x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack new_additions The internal LED light system

The internal LED light system makes for easy viewing

Using Coco Coir or Reverse Osmosis water

small and large

built for large industrial operations

25x30x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack new_additions The internal LED light systemNordic 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