The term SCUBA TANK FILLER can be summarized as a person who fills tanks with AIR for scuba diving. This job requires the individual to fill tanks with AIR, usually from a compressor, so that they can be used for scuba diving. The tanks must be filled to the correct pressure and checked for any leaks or other issues before being used. The individual must also be knowledgeable about safety protocols and procedures related to filling tanks with AIR.