Fantasea 56mm Red "Wet" Filter, Fits Over Port, for the CP-4 Sport, CP-4 Pro, FL-3, FL-4, FL-6, FP-1 & FP-4 or other Housings with 56mm Lens Port Diameter

Red Filter 56 fits over the housing port and can be installed and removed duringthe course of the dive. This "Wet" filter enhances the quality of both still andvideo images when not using an artificial light source. The filter is mounted onthe housing lens port and held in place by O-ring friction.

Compatible with CP-4 Sport, CP-4 Pro, FL-3, FL-4, FL-6, FP-1 and FP-4 housings or any other major brands housings with a 55mm lens port diameter.