Zen O-Ring To Seal WWL-1 on M67 Flat Ports

Zen O-Ring To Seal WWL-1 on M67 Flat Ports

Use a single O-ring to seal water in the space between the Nauticam Wet Wide Lens WWL-1 and flat ports with M67 threads. The trapped water allows for split shots (over/unders) without a secondary water line.