Silent Grid Fabric
Light-weight and very durable diffusion. Directional softness.
Full Grid: Approximate Reduction 2.6 Stops. Very dense diffusion with very wide beam spread. Soft shadowless light.
Lite Grid (Half): 2.0 Stops. Smaller weave, considerable softening.
Quarter Grid: 0.7 Stops. Smaller weave, considerable softening.
Includes Bag, Ties on Eyelets.
See the fantastic video below by The Granite Gaffer compairing different diffusion fabrics to help you decide which one is best for the job.
Stop values from: Set Lighting Technician's Handbook 4th Edition Harry C. Box pp. 143