20x22x1 Pleated Air Filters MERV 13 Plus Carbon 6 Pack ventilation apply OMRI listed RootShield WP

apply OMRI listed RootShield WP (Wettable Powder) to protect plant roots from common soil-borne pathogens

Coarse Perlite

Kelp meal adds organic matter to your soil and helps the soil retain moisture to encourage healthy root growth

Required plastic and wire mesh

then the corners CNC-machined and edges symmetrically cut for a high-end professional appearance

20x22x1 Pleated Air Filters MERV 13 Plus Carbon 6 Pack ventilation apply OMRI listed RootShield WPNordic Pure 20x22x1 MERV 13 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