18x18x1 Pleated MERV 14 Air Filters 24 Pack hydro-systems VE Spectrum: Vegetative centric spectrum

VE Spectrum: Vegetative centric spectrum has been extensively trialed on over 300 plant varieties

MERV 8 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 600

You can even set the humidistat to switch to “fan mode” once a specific value has been reached

Apply any time after the first mowing

unless using a silica product like Strength

18x18x1 Pleated MERV 14 Air Filters 24 Pack hydro-systems VE Spectrum: Vegetative centric spectrumNordic 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.