16_1/2x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Grow Strong Box Dimensions: 5

Box Dimensions: 5

HOW TO USE: Use Procision Advantage as a primary growing media or add to your custom mixtures

pesticides and agrochemical fumigants

Using a multi-layer fabric and textured finish

Removes up to 3 liters per kilowatt hour

16_1/2x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Grow Strong Box Dimensions: 5Nordic Pure Custom MERV 10 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