20x24x2 Furnace Air Filters MERV 10 Pleated Plus Carbon 12 Pack Nutriants and its spectrum is 45%

and its spectrum is 45% more efficient for photosynthesis than HPS

Chemical Metering Pump Type Peristaltic

Nordic Pure 12x20x1 MERV 14 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

Fits Metal Halide ballast

Powder coated steel guards for increased durability and corrosion resistance

20x24x2 Furnace Air Filters MERV 10 Pleated Plus Carbon 12 Pack Nutriants and its spectrum is 45%Nordic Pure 20x24x2 MERV 10 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