10x24x1 Pleated MERV 13 Air Filters 6 Pack Sprayers and Wands Stable Color: Low color shift

Stable Color: Low color shift over time for more consistent lighting

ALSO NON-PLANT FOOD INGREDIENT: 1% Humic acid (derived from Lignite)

Research has shown that Leonardite is the best source for humic and fulvic acids because its biological activity is much greater than other sources of humic acid

Highly compatible with most fertilizers

10x24x1 Pleated MERV 13 Air Filters 6 Pack Sprayers and Wands Stable Color: Low color shiftNordic 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