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Even beginners get professional results
"shielding" plants from soil-borne diseases
The media's expansion is due to the presence of two to six percent combined water in the crude perlite rock
Promotes higher rate of metabolic activity and resin production through the use of UV and far-red spectra
from seed to bloom to harvest
20x30x2 Pleated MERV 13 Air Filters 3 Pack food-storage Even beginners get professional resultsNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200
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