6x20x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack microbes • Canadian Sphagnum peat moss

• Canadian Sphagnum peat moss (75-85% by volume)

After extensive research and development

keeping harvested crops fresher for longer

Plants need the energy from the ATP molecules to convert carbon dioxide to carbohydrates during photosynthesis

6x20x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack microbes • Canadian Sphagnum peat mossNordic 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