Lindsey Optics - 6.6" x 6.6" Brilliant IR ND 3.0 Filter with Anti-Reflection Coating
6.6" x 6.6' x 0.135" (168mm x 168mm x 3.43mm) ND 3.0 Neutral Density Filter 10 Stop Light Reduction - 0.1% Transmission Broadband Multi-Layer Anti-Reflection coating (MC Coating) Fits professional Cine Matte Boxes