12x26_1/2x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack led OMRI listed for organic production

OMRI listed for organic production

Not harmful - natural ingredient blend

irrigation

Constructed of heavy-duty 2

maximum-capacity water pumps for the transfer and recirculation of water and nutrient solution

12x26_1/2x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack led OMRI listed for organic productionNordic 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