17x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack coco-cubes Bio·Grow® is a liquid growth

Bio·Grow® is a liquid growth fertilizer which can be applied to most types of soil and substrate mixtures

The number of units required depends on your total system airflow (CFM) and the severity of the odor or pollution problem

rooms and buildings

strong and durable ensuring the best results time after time

17x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack coco-cubes Bio·Grow® is a liquid growthNordic 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