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UV Layer: Protecting against UV rays is critical for preventing degradation of your crop
Trace elements and hormones of vegetable origin are also added to improve the flowering process
Self-perpetuating action — once grubs ingest the spores
which makes it easy to install
• Squirrels
12x24x2 Pleated MERV 13 Air Filters 12 Pack grow-light-bulbs UV Layer: Protecting against UVNordic 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
