20x24x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack New-releases Even more efficient and stronger

Even more efficient and stronger than the original Max-Fan design

Apply once a week throughout the vegetative growth phase of the plant

this high-quality dry fertilizer is simple

Loopers (Trichoplusia sp)

20x24x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack New-releases Even more efficient and strongerNordic Pure 20x24x1 MERV 12 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