10x33x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack veg-and-bloom NOTE: Use only with ball-bearing

NOTE: Use only with ball-bearing inline/centrifugal fans

5 so that your plants will be capable of efficiently taking in the maximum quantity of nutrients

A roughly 60/40 perlite/coco mix

Once dialed-in

- Somewhere along the evolutionary development of the "Plant - Soil - Microbial Matrix"

10x33x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack veg-and-bloom NOTE: Use only with ball-bearingNordic Pure Custom MERV 8 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