Probably the simplest polyester filter holder available, the Gel Snap is designed to work with both framed or unframed filters. The Gel Snap fits to the front of virtually every camera setup and can also be used behind the lens on large format cameras.
Simply insert any 100mm polyester or gelatin filter, snap it shut and then attach it to the lens using the band provided.
Fits lenses up to 82mm outside diameter.