12x14x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting Par Sensor: Max

Par Sensor: Max

When these bees have found the tubes

as it can stifle growth and lead to poor health in your crops

They are active down to 42°F

12x14x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting Par Sensor: MaxNordic Pure Custom MERV 12 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