6x30x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and garden soil Do not fertilize before plants

Do not fertilize before plants have established roots

This complete kit includes the 3U fan unit

enabling it to be compatible with most standard 19” racks

seedlings and cuttings

6x30x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and garden soil Do not fertilize before plantsNordic 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