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• Sea Cal
🛡️ Strengthen disease resistance — healthier soil biology means more resilient plants
Coco Coir Grows – Inoculate directly into the root zone at transplant to establish mycorrhizal networks in an otherwise sterile medium
Aerates the root zone and air-prunes roots
helping control humidity in smaller grow spaces
17_1/8x34_7/8x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Cleaning Products • Sea CalNordic Pure Custom MERV 14 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