You can judge for yourself[1] whether the joints are sealed with rubber or not; it appears to me that they are. [1] https://www.youtube.com/watch?v=DgdKZMlzQog

You can judge for yourself[1] whether the joints are sealed with rubber or not; it appears to me that they are. [1] https://www.youtube.com/watch?v=DgdKZMlzQog https://www.youtube.com/watch?v=DgdKZMlzQog