Lumo-X 4inch Port Air Carbon Filter with Australia Virgin Charcoal for Smell and Odor Removal in Grow Tent, Greenhouse with Inline Fan, Vent Hose (Incl. Rope Hangers)

VIVOSUN 4 Inch Air Carbon Filter Smellines Control with Australia Virgin Charcoal for Inline Duct Fan, Grow Tent, Pre-filter Included, Reversible Flange 4´´ x 14´´

AC Infinity Air Carbon Filter 4´´, with Premium Australian Virgin Charcoal, Fit with Inline Duct Fans for Odor Control in Grow Tents, Grow Rooms, and Hydroponics Systems

VIVOSUN 4 Inch Air Carbon Filter Smelliness Control with Australia Virgin Charcoal for Inline Fan, Grow Tent Smelliness Scrubber, Pre-Filter Included, Reversible Flange 4´´ x 14´´, Black

iPower 4'' Air Carbon Australia Virgin Charcoal, Pre-Filter Included Reversible Flange 4´´ x 14´´, Smelliness Control for Grow Tent, Inline Duct Fan, Odor Scrubber, Silver

Vanleno 4inch Carbon Filter Odor Control with Australia Virgin Charcoal Two Prefilter 1 Pair Rope Hanger Included for Inline Duct Fan, Grow Tent, Hydroponics, Odor Scrubber

VIVOSUN Ventilation Kit 4 Inch 190 CFM Inline Duct Fan with 4´´x 14´´ Carbon Filter Odor Control System with Australia Virgin Charcoal for Grow Tent Ventilation

SunStream 4 Inch Air Carbon Filter with Australian Virgin Charcoal Pre-Filter Included, Odor Control for Inline Fan and Grow Tent Ventilation

VIVOSUN 4 Inch Prefilter for 4´´ Carbon Filter

AC Infinity Refillable Carbon Filter Kit 4” with Additional Refill, Odor Removal Air Scrubber For 4´´ Inline Fan and Ducting, Reusable Charcoal Filter for Grow Tent Grow Room Hydroponics

VIVOSUN Ventilation Kit 4 Inch 190 CFM Inline Fan with Speed Controller, 4 Inch Carbon Filter and 8 Feet of Ducting for Grow Tent