6x20x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hrg Flies/Gnats

Flies/Gnats

and hobby growers use to keep their foods fresh

Rain-Fast After 24 Hours – Stays effective after it dries

Tundra can be tank-mixed with aqueous nutrient solutions and/or applied directly to plant roots at the

Lab coats are produced with state-of-the-art lamination technology to combine a soft non-woven fabric with a microporous film that repels liquids

6x20x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hrg Flies/GnatsNordic Pure Custom MERV 12 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