25x25x1 Pleated Air Filters MERV 7 Plus Carbon 6 Pack spl_spectrumking For in-ground plantings

For in-ground plantings

All models feature a 10’ grounded power cord except the smallest model

top dress a high nitrogen amendment [like fish meal or bat guano] or water in 5-1-1 fish hydrolysate)

Whether used indoors or out

Fan Scheduling (Grow Recipes)

25x25x1 Pleated Air Filters MERV 7 Plus Carbon 6 Pack spl_spectrumking For in-ground plantingsNordic Pure 25x25x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material while