10x36x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting flexible material that comes in

flexible material that comes in rolls of various length and can be used in single or double layers (for better insulation)

NOTE: The listing is just for the fabric bag and not the grow media or accessories

9 μmol/joule Total output 970 PPF Dimensions 34

100 cubic feet

AnthoSpec: 2

10x36x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting flexible material that comes inNordic Pure Custom MERV 13 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