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it boosts airflow from HVAC units to remove stale air and odor
Beneficial Microorganisms (phosphorus-solubilizing & composting bacteria)
- Adjustable separate set points for day and night from 0 to 4
As they mature
12x26_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Grow1 5' Steel Stake it boosts airflow from HVACNordic Pure Custom MERV 7 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
