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Improved homogeneity
You can shop confidently
This scalable microbial additive can be used by cultivators of any size
It is ready to dilute in water and requires no pH adjustment
17_1/2x17_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack ventilation Improved homogeneityNordic 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
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US$ 173.75
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US$ 6300.00
