Red Filter 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 O-ring friction.

Compatible with the CP-4 Sport, CP-4 Pro, housings or any other major brands housings with a 55mm lens port diameter.