6x30x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and garden soil The breathable and lightweight fabric

The breathable and lightweight fabric helps keep you cool

seedlings and cuttings

dew point and now CO2)

Do not fertilize before plants have established roots

You can quickly see temperature and humidity readings going into the unit as well as temperature and humidity readings going out

6x30x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and garden soil The breathable and lightweight fabricNordic 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