F&V Milk Diffusion Filter for R-300 Ring LightF&V Milk Diffusion Filter for R 300 Ring Light F&V SKU: 118151010000 Helix SKU: FV118151010000 Overview Using our unique method of mounting filters with magnetics, our Milk Diffusion Filter for the R 300 LED Ring Light is a denser option for diffusion, creating an ultra soft light source. Not only does this offer beautiful, wrapping light, but also the thick diffusion makes it much easier for your talent to look in the direction of the light.