12x20x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack light-movers-hangers Speed Control Range: 25~100%

Speed Control Range: 25~100%

Encarsia formosa is not recommended for control of other species of whitefly

in 6" and 8" sizes for specific Active Air filters

allowing for robust VPD performance across all grow conditions

12x20x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack light-movers-hangers Speed Control Range: 25~100%Nordic Pure 12x20x1 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