8x8x1 Exact MERV 14 AC Furnace Filters 6 Pack nutrients Soil or water can be

Soil or water can be too acidic or too alkaline

Formulated for use on all plants

Rockwool's high water holding capacity will enable you to go on vacation without worrying about your plants drying out

pure hemp with no added chalk or dyes

Standard Sizes:

8x8x1 Exact MERV 14 AC Furnace Filters 6 Pack nutrients Soil or water can beNordic 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.