All growers need ducting to help get fresh air into and the hot stale air away from your tent or grow room.
This 25cm x 10m long plastic flexible ducting features an encapsulated high tensile steel wire spiral which maintains the circular cross-sectional area throughout it's length, so that air-flow is not restricted by sagging.
Because of its flexibility it is easy to attach onto intake fans, extraction fans and carbon filters. Simply attach securely with ducting clamps or duct tape.
For best results, keep your ducting as straight as possible, this will eliminate noise and not reduce your fan speed, each bend in your ducting can reduce your fan speed by 20% and the air hits the bends, making noise.