Phat HEPA Intake Filter, 4" 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

VTM Series The Vortex Powerfan VTM Series is an in-line duct fan specifically designed to maximize the airflow performance with minimal noise levels in a small, compact housing. These fans incorporate a powerful mixed flow impeller and internal air van