XDeep OPRV Top Part With Spring And Piston

One part connects onto the BCD wing and the other part screws into it to create the seal. Fits the thread for all XDEEP and Tecline BCDs and many other brands. Diameter of top screw area 50mm (2").

Rubber plug at base approximately 35mm (< 1.5"). Use as a replacement for a damaged OPRV or keep one as a spare, just in case.