Red Filter 46 fits over the housing's port and can be installed and removed during the course of the dive. This Wet filter enhances the quality of both still and video images when not using an artificial light source. The filter is mounted on the housing's lens port and held in place by screw thread. Compatible with:
 

• Fantasea new generation Nikon Coolpix housings: newer versions of the FL-10 and FL-11 housings which feature a threaded lens port, as well as all FL-12, FL-14, FL-15, FS-200, FS-500 and FP-5000 housings.
• Olympus housings or any other major brands housings with a 46mm threaded lens port.