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porosity and high cation-exchange capacity
This automatically maintains the ideal nutrient level in all the interconnected units
When a plant goes into a fruiting cycle
5 (500 ppm) or 0
• Solar System 550 VEG LED fixture
13x23x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control porosity and high cation-exchange capacityNordic Pure Custom MERV 12 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
