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powdery mildew unless you deal with your root zone first
50% stronger than the most popular brands on the market yet it costs the same
eliminating cross-contamination
100% Metal Interlocking
and excessive PPM (2000+)
17x26x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack ac-dehumidification-humidification powdery mildew unless you dealNordic 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
