23x25x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and garden soil The AC Infinity axial fan

The AC Infinity axial fan is UL recognized under certificate E503903

For more information on specifics

The reels on these machines are 5” in diameter and 21″ in length

multiple sources of nitrogen and fully chelated micronutrients

23x25x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and garden soil The AC Infinity axial fanNordic 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