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commercial farming
plus a thermal controller
Please refer to the manufacturer's label under the DOCS tab for more information
Inspect and service ionization tubes periodically per the manufacturer's recommended maintenance schedule to maintain peak performance
20x20_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Plant Support commercial farmingNordic Pure Custom MERV 13 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
