25x28x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Tents / Indoor Greenhouses Coverage will vary based on

Coverage will vary based on application rate

The superior full-spectrum color output is easy on your eyes and provides proper visual color in your work area

Made of durable plastic material

24 x Flora Clip 2

average yield at 1

25x28x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Tents / Indoor Greenhouses Coverage will vary based onNordic 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