Superior carbon quality: Made of high quality activated charcoal, delivering 100% filtered airflow.
Eliminates odor and chemical irritants: Protects from chemical irritants and eliminates odors- from pungent indoor grow operations to bathrooms, basements and kitchens. Absorbs odors from pets and smoking as well.
Effective odor control: Eliminate some of the most undesirable odors, pungent smell and particulates from indoor grow tent, hydroponics grow room.
Versatile applications: Item can be used as intake or exhaust filter in a variety of setups including use with 6 inch inline fan and duct fans, intake and exhaust fans, air exchange fans, ventilation ducts, and other accessories.
Size: These series have 23 size products that you could choose the best one for your greenhouse.