Sure, Mark, I understand. Just to clarify, the main difference between the two is the "integrated aluminum buoyancy collar" mentioned here: https://www.nauticam.com/products/wet-wide-lens-1b-wwl-1b-130-deg-fov-with-compatible-28mm-lenses-incl-float-collar#:~:text=The WWL-1B features the,it nearly neutral in water.
For reference, I’m selling the WWL with a BUOYANCY COLLAR, which you can find more details about here: https://www.nauticam.com/products/buoyancy-collar-for-wwl-1.
Cheers,
Zlati