Hydro Crunch 188 CFM 4-inch Centrifugal Inline Duct Fan with Variable Speed Controller (GDF100) Ducting Remains rigid when fully extended

Remains rigid when fully extended for less lint accumulation

A precise 3:1 PK ratio maximizes bud bulk while minimizing the risk of heavy metal contamination

If multiple E

Temp range: 68F (20C) to 93F (34C)

Hydro Crunch 188 CFM 4-inch Centrifugal Inline Duct Fan with Variable Speed Controller (GDF100) Ducting Remains rigid when fully extendedFresh air is a crucial component for a healthy harvest. Growing plants transpire water vapor and moisture in the grow room which can cause high humidity that can stunt your plants and destroying your crop. Our inline fan can help you to maintain a healthy grow room by efficiently move large volumes of air throughout your ventilation system. It is easy for placement with its universal mounting bracket and it is quiet the lubricated bearing. It's a