13x23x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack growing-accessories making it a great choice

making it a great choice for businesses in a variety of industries

molybdenum and manganese for an extra micronutrient boost

fungicide and pesticide begins with food-grade essential oils that are put through a high sheet milling process that reduces the oil droplets into nano-sized particles

Get your favorite plants into tissue culture fast

pesticides

13x23x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack growing-accessories making it a great choiceNordic Pure Custom MERV 7 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