Tusa RS-800S 1st Stage Regulator
Compact and reliable balanced pistan first stage
lnstant delivery of air and high airflow for superior performance
Two H.P. ports and four L.P. ports 
 
Tusa S-11 2nd Stage Regulator
Compact case design
Ortho-consciously designed mouthpiece
Venturi adjustment lever
A.F.S. Advanced Flow System