20x24x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack fans-ventilation-ducting Aerates the root zone and

Aerates the root zone and air-prunes roots

This Product Controls These Pests or Diseases: 12-spotted Cucumber Beetles

The perfect kit for indoor salad or microgreen production

growers can either pick one of the existing Niwa grow recipes or create one themselves

Made from 100% recycled material with a strong 3M Adhesive

20x24x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack fans-ventilation-ducting Aerates the root zone andNordic Pure 20x24x4 Pleated Air Filters MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, smog, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a