Phat HEPA Intake Filter Size:6 Inch well-supported microbial environment as your

well-supported microbial environment as your plants progress through their life cycle

Light flicker frequency: Detect unwanted voltage changes and assess ballast & bulb health

Also offered in 4' widths

T horticultural clay pebbles into your coco coir or soil at a rate 4 parts clay to 7 parts soil to loosen up the structure

Phat HEPA Intake Filter Size:6 Inch well-supported microbial environment as yourPhat HEPA Intake Filter, 6" The tightly woven synthetic HEPA fibers in this filter will help prevent mold, bacteria, pollen, insects and plant pests from entering your growroom or greenhouse. The HEPA fibers block out most airborne particles down to . 3 microns in diameter. That is 300 times smaller than the diameter of a human hair. This is a serious insurance filter, without it you are leaving your grow room susceptible to the elements.