18x27x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK Active die-off occurs within 24

Active die-off occurs within 24 hours

This product’s specialized media density promotes faster and stronger root growth

This highly sought after product is a leader in the dry flower trimming industry using its sleek electropolished finish and design

Compatible with multiple grow systems

The Master controller EL1 and EL2 Gen 2 are our entry-level systems for centrally controlling large rooms with e-series fixtures

18x27x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK Active die-off occurs within 24Nordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.