8x20x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack reflectors and grow lights Easy to follow directions and

Easy to follow directions and tips

with smoother action and reinforced zipper-pulls

Outdoor and Hydroponic UseUse on:Spider MitesOther MitesThripsFungus GnatsMealybugsAphidsPowdery MildewCaterpillarsWhitefliesScaleAnts

2 micron filter for perfect air flow

Controlling CO2 has never been easier or more affordable

8x20x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 12 Pack reflectors and grow lights Easy to follow directions andNordic Pure 8x20x1 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