The DF Diffusion Filter for LED PARs is a 9 x 9 frosted plexiglass light modifier that can be cut to fit most LED PARs. The filter improves color mixing, increases beam angle, and allows for smooth color slides. Features: Diffusion Filter for LED Pars. Diffusion filter for LED Par fixtures. Improves color mixing and increases beam angle. Ideal for smooth color slides. Made of frosted plexiglass, can be cut to fit most LED Par sizes. Specifications: Filter Material: Glass. Size: 9 x 9 / 9.4 x 9.4 in