9_3/4x23_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Lamps and your grow room at

and your grow room at its best

Little spritzes may help a lot of conditions

See more information about Fluence PhysioSpec spectra

Once you see a bug or two — or after they've already become a bigger problem — you can apply Exile to restrain or suppress their population

Fungus gnat (Bradysia difformis)

9_3/4x23_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Lamps and your grow room atNordic 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