VITROVEX deep-sea glass float

-Composed of two hemispheres, sealed and locked with adhesive tape, and evacuated

-The sealing surface is precisely and smoothly ground, and the matching of the sealing surface is excellent. Even without the need for butyl rubber and sealing tape, the two hemispheres can be placed together and vacuumed. It takes 1 to 2 days for the vacuum to break. Adding butyl rubber and sealing bag can maintain a long vacuum state.

-Vitrovex hemispheres have the same outer diameter and thickness, and are completely interchangeable and can be individually replaced.

-Each hemisphere is marked with production time and serial number.