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citric acid
pollen and pests from entering your grow room
Its easy to clean and maintain
a source of over 70 trace elements
The benefits of using an automatic trimmer are numerous
18x20x2 Pleated MERV 13 Air Filters 12 Pack Pest and Disease Control citric acidNordic 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
