20x30x1 Pleated Air Filters MERV 14 Plus Carbon 6 Pack hawthorne Easy to view level indicators

Easy to view level indicators keep nutrient levels exactly where they should be

PPF: 2800 µmol/s

Capacity: 4

and nursery crops

the product is very light and has excellent physical qualities for use in plant propagation

20x30x1 Pleated Air Filters MERV 14 Plus Carbon 6 Pack hawthorne Easy to view level indicatorsNordic Pure 20x30x1 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material while