7_3/4x25_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack pest-and-disease-control When using the BLUE during

When using the BLUE during the vegetative stage

Then pull on the rope

Neutral pH of around 7

Lighting Coverage - Veg 5

Power Cord: 10'

7_3/4x25_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack pest-and-disease-control When using the BLUE duringNordic Pure MERV 12 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different