11 1/4x19 1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack pots-and-containers 1x CO2 Alarm System(CDA-1)

1x CO2 Alarm System(CDA-1)

it nurtures a "green up" effect which keeps leaves strong and lush

• Formulated for all hydroponics and soil applications

Formerly Procidic 2 - Relabeled for Expanded Use For Hemp and Cannabis

UL-recognized components

11 1/4x19 1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack pots-and-containers 1x CO2 Alarm System(CDA-1)Nordic 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.