12x30x1 Pleated MERV 14 Air Filters 3 Pack growing-media Includes 6 inch duct for

Includes 6 inch duct for incoming air

Some use the various colors as crop markers without writing for growing activities at their nursery

foliage plants and woody ornamentals)

then water pots or affected soil

Great indoors or outdoors instead of potting mix

12x30x1 Pleated MERV 14 Air Filters 3 Pack growing-media Includes 6 inch duct forNordic 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.