10x20x2 Pleated MERV 12 Air Filters 3 Pack X Nutrients bloom Audible alarm for low/high CO2

Audible alarm for low/high CO2 levels

Safe for use in gardens and around edible crops - just be sure to wash crops before eating

Connects 12 plants

further improving the efficiency of your harvest process

Available in herb

10x20x2 Pleated MERV 12 Air Filters 3 Pack X Nutrients bloom Audible alarm for low/high CO2Nordic 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