16x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack Reflectors & Grow Lights and it actually works

and it actually works

Best choice for DIY grow room aficionados

16 and 32 ounce

Recommended Tent Size 2×2

Amblyseius swirskii is not recommended for use on tomato crop infestations

16x24x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack Reflectors & Grow Lights and it actually worksNordic Pure 16x24x4 MERV 12 Pleated 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