Quarter Grid - Very light diffusion similar to 1/4 diffusion. Not recommended for exterior work. Grid Cloth is a more durable textile for outside conditions than artificial or China silk. The fabric is 100% nylon and has a grided weave for strength. Not appropriate for use close to a hot light source.
Half (light) Grid - Produces a medium diffusion effect; durable and good all-rounder. Grid Cloth is a more durable textile for outside conditions than Artificial or China silk.
Full Grid- heavy diffusion for soft ambient lighting similar. Good for lighting cars.