15x20x2 Furnace Air Filters MERV 8 Pleated Plus Carbon 12 Pack spl_spectrumking Total Harmonic Distortion (THD) :

Total Harmonic Distortion (THD) : <15%

Due to the natural taper of the saucer

【Coverage Area】Perfect for 5’x4’ vegetative coverage at 28”and 5’x3’flowering coverage at 24”

Liquid Ladybug V™is the most economical miticide on the market today

15x20x2 Furnace Air Filters MERV 8 Pleated Plus Carbon 12 Pack spl_spectrumking Total Harmonic Distortion (THD) :Nordic Pure 15x20x2 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