25x25x1 Pleated Air Filters MERV 13 Plus Carbon 6 Pack eligible-for-discount The gridded surface and bright

The gridded surface and bright color allow for easy monitoring

years of use can wear it down

Grow Chunks are a larger version (3/4" square) of the popular Grow Cubes

May be applied to listed food and non-food crops up to and including the day of harvest

25x25x1 Pleated Air Filters MERV 13 Plus Carbon 6 Pack eligible-for-discount The gridded surface and brightNordic Pure 25x25x1 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