
1) Diving equipment manufacturer 2) Recreational diving
Found on
https://www.crosswordclues.com/clue/snuba

Snuba is a form of surface-supplied diving in which an underwater breathing system developed by Snuba International is used. The word Snuba is a portmanteau of `snorkel` and `scuba`. The swimmer uses swimfins, a diving mask, weights, and diving regulator as in scuba diving. The air, however, instead of coming from tanks strapped to the diver`...
Found on
http://en.wikipedia.org/wiki/Snuba

a surface-supplied compressed air apparatus, used for diving in shallow, calm waters. The air is delivered to one or more divers through a long hose.
Found on
https://dipndive.com/blogs/stories/diving-lingo-101-glossary-of-terms-phras
No exact match found.