The Bowens Mount Ring Adapter is for our Boltzen series of video lights. The adapter allow you to use Bowens modifiers on the Boltzen lights. To install simply unscrew the barn doors, remove the fresnel lens and screw on the Bowens Mount Ring Adapter.
The Small Mount is suitable for model: B-30/B-30S/B-30Y, F-55W/F-55S/F-55Y
The Medium Mount is suitable for model: B-60, B-60S, F-100S, F-100S
The Large Mount is suitable for model: B-100 , B-100S , F-150W