This accessory increases wind speed by 40%-50% when installed with air ducts.
It Works with standard 4 inches / 100mm duct / tubing solution that you can procure in your local hardware store. Support accepts up to 4mm screws.
Just add it to the front of your duct / tube with clamps or tie wraps (hardware not provided).
Optional: Removable GoPro adapter and 360 GoPro Swivel Mount
Black Tube (4" = 1.2m)