8x12x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack cleanroom water-holding texture was designed to

water-holding texture was designed to start clones and seedlings in propagation trays

• The CenturionPro double-bag system is designed for cleanliness

Male - IP68

burn-free application

9V battery as well as a protective carrying case

8x12x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack cleanroom water-holding texture was designed toNordic 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