17_1/4x17_1/4x1 Exact MERV 10 AC Furnace Filters 6 Pack ac-/-dehumidification-/-humidification With a usage rate of

With a usage rate of 1 ml per gallon

which will promote profound plant vigor

Enhances plant functions at the foliar level and the root zone in both soil and soilless substrates

For smaller or less shaped lenses check out the Classic FX Clip-on

*A control unit and reservoir (sold separately) are required to use this expansion pack

17_1/4x17_1/4x1 Exact MERV 10 AC Furnace Filters 6 Pack ac-/-dehumidification-/-humidification With a usage rate ofNordic Pure MERV 10 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, allergens and other contaminants are removed. MERV 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies