21x23_1/2x1 MERV 14 AC Furnace Filters 6 Pack spl_dlw Influenza A (H1N1)(formerly called Swine

Influenza A (H1N1)(formerly called Swine Flu)

making your grow room a much happier place for you and your plants

- Output 1 (bottom) for CO2 enrichment or CO2 ventilation control

Nordic Pure 14x30x1 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

but they will wear down over time

21x23_1/2x1 MERV 14 AC Furnace Filters 6 Pack spl_dlw Influenza A (H1N1)(formerly called SwineNordic 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.