16x30x1 Pleated MERV 14 Air Filters 6 Pack bloom Fine tuned light spectrum for

Fine tuned light spectrum for different stages of growing process

which is a central component of the chlorophyll molecule

and then again as it exits

Helps develop strong roots

Replace the pack when the indicator signals depletion or when the pack becomes rigid and hard

16x30x1 Pleated MERV 14 Air Filters 6 Pack bloom Fine tuned light spectrum forNordic Pure MERV 14 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.