11x32_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack HPS OMRI listed for organic use

OMRI listed for organic use

Recommended Exhaust CFM: 1260 CFM /

making it best for flowering periods

and long lasting

Each cell is singulated

11x32_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack HPS OMRI listed for organic useNordic 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