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• Indoor Soil Mix
it works on contact to smother Erysiphales spores - the order of fungi that cause powdery mildew
Soil A&B Base Nutrient provides a high-quality base designed specifically for soil applications
whether grown in soilless mixes or soil
17x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Promote • Indoor Soil MixNordic 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
