<ul><li>rear port cover for the RDX Standard Flat Port only</li></ul><br><br>The Sea & Sea RDX Rear Port Cover fits onto the back of ports compatible with the RDX-series underwater camera housings. Attach it when the port is not in use in order to keep out moisture. Fits onto the back of ports compatible with the RDX-series underwater camera housings. For Ports Compatible With RDX Housings.

Sea & Sea RDX STD Underwater Camera Flat Port Rear Cover