20x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 24 Pack PH/EC/TDS Meters and Solutions Heavy-duty anodized aluminium frame with

Heavy-duty anodized aluminium frame with IP-44 rated fans to be highly resistant to liquids and dust

This grow kit includes everything needed to grow mushrooms– just add spores or liquid culture

and can be applied in conjunction with nitrogen based fertilizers

Third-party testing has demonstrated a yield increases between 11-30%

Light weight and easy to install

20x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 24 Pack PH/EC/TDS Meters and Solutions Heavy-duty anodized aluminium frame withNordic Pure 20x24x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. 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