Amazon.com : Selens 20pcs Color Gel Filter for Lighting Effect, 10x10 Inches Photography Color Correction Kit for Photo Video Studio, 20 Assorted Colors, Lighting Filters Transparent Color Sheet Filter Sheet Gels : Electronics
Irix Edge Gelatin Filters Set Review | ePHOTOzine
Gelatin Filters
Gelatin and polyester colour filters - Filters - Comar Optics
Gelatin and polyester colour filters - Filters - Comar Optics