8x14x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack pumps-and-irrigation-supplies This pH allows plant roots

This pH allows plant roots to easily absorb nutrients

Materials are approved for contact with food products

Gorilla Lite Line Grow Tents are professionally designed grow tents that are ideal for experts and perfect for beginners

These filters can be applied to your fruiting chamber to give your substrate fresh air while maintaining high humidity levels

Specifically designed for warm and humid applications

8x14x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack pumps-and-irrigation-supplies This pH allows plant rootsNordic 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.