The Genus GSP-500-015 4x4" Wide Filter Tray is a filter tray designed for GWMC matte box. It is designed slightly wider than standard in order to minimize the risks of clipping. The filter tray comes in black and utilizes a spring lock wedge that will fit any 4x4" filter and hold it securely. The spring-loaded handle makes it easy to insert and remove filters with ease. It is lightweight machined aluminium construction.