25x30x1 MERV 14 AC Furnace Filters 6 Pack extension thicker stems

thicker stems

which in turn increases flower and fruit biomass

Suitable for all growing styles

Delivers Advanced Thermal Management

Controls aphids

25x30x1 MERV 14 AC Furnace Filters 6 Pack extension thicker stemsNordic 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.