12x26_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES Volume: 522

Volume: 522

The active ingredient is Beauveria bassiana

reliable pH meter that is ideal for testing applications such as hydroponics & gardening

even when wearing shorts

System box size:

12x26_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES Volume: 522Nordic Pure Custom MERV 8 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