LEE Filters 129 Heavy Frost Diffusion Lighting Gel Filter, 2" Core, 48" x 1' (Sold by the foot) A strong diffusion that eliminates nearly all shadows. Flame retardant. Frost is used for a variety of applications, applying low to medium diffusion to a beam of light while maintaining the shape and beam center. Features: Produces a strong diffusion effect For softening spotlight beam edges without altering shape Reduces contrast between highlight areas Heat resistant to 356°F Polymer film construction Technical: 6774K Daylight (Source C)25% Light Transmission0.6 Density2 Stop Value Size: Roll x Custom Length (W: 48" x L: 1' / W: 122 cm x L: 0.3m) Frost Diffusion: 258 Eighth Hampshire Frost < 1/4 Stops (NFR)257 Quarter Hampshire Frost < 1/4 Stops (NFR)256 Half Hampshire Frost < 1/4 Stops (NFR)420 Light Opal Frost < 1/4 Stops (NFR)253 Hampshire Frost < 1/4 Stops (NFR)255 Hollywood Frost < 1/3 Stops (NFR)410 Opal Frost 1/2 Stops (NFR)220 White Frost 1 1/3 Stops (FR)129 Heavy Frost 2 Stops (FR) In The Box: LEE Filters 129 Heavy Frost Diffusion Lighting Gel Filter, 2" Core, 48" x 1' (Sold by the foot) Note: Each roll is cut to order in 1-foot (12") increments. When placing an order, indicate the desired length in feet by selecting the appropriate quantity. Example: Quantity of 4 will be a 48" x 4' cut.