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Use OxiPhos throughout the growing season to both prevent and control plant pathogens
Compatible with all types of hydroponic systems
• Used for existing plants
Podospheara aphanis
12x26_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack pump Use OxiPhos throughout the growingNordic 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
