Suitable for use with matte boxes that feature a 150mm wide filter tray compartment such as the Chrosziel 805, the Chrosziel C-510-01 5x5 / 4.5 x 5.65" Multi-Format Horizontal Filter Tray supports 5 x 5 or 4 x 5.65" filters. It features a spring-loaded catch that keeps your filter snug, and Chrosziel recommends using filters in a horizontal orientation when using this tray. The tray is ideal for replacing damaged and missing trays. You can purchase multiple trays and pre-load them with filters for quicker filter changes.