10x18x1 Exact MERV 14 AC Furnace Filters 6 Pack Chemicals meaning heat and moisture vapor

meaning heat and moisture vapor can escape and aren't trapped near the body

pH buffering

It will remain effective for approximately 10-12 weeks and can be re-applied at half the initial rate to extend root protection in the field or when transplanting to a larger container

• A significant component of DNA

Magnesium Mg++ (ppm)

10x18x1 Exact MERV 14 AC Furnace Filters 6 Pack Chemicals meaning heat and moisture vaporNordic 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.