20x36x1 MERV 12 AC Furnace Filters 6 Pack X Nutrients bloom • For plant growth only

• For plant growth only

Razor sharp 9-inch carbon steel straight edge hooked blade provides powerful cuts and for cutting stems

and trichoderma which provide essential support for a thriving root zone

While it’s ideal for romaine lettuce

20x36x1 MERV 12 AC Furnace Filters 6 Pack X Nutrients bloom • For plant growth onlyNordic Pure MERV 12 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 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different