Tusa R-700S 1st Stage Regulator
Balanced diaphragm first stage with anti-freeze system
Dry ambient pressure chamber ideal for temperatures below SOºF/1 OºC
Ribbed section to increase heat transfer and resist freezing 
Two H.P. ports and Four L.P. (2 standard/2 high flow) ports 
High flow L.P. ports offer up to 15% increase in air flow 
DIN version available as RS-790 DIN (300bar/4350psi) 
 
Tusa S-90 2nd Stage Regulator
Lightweight, compact composite case design
Pneumatically balanced system 
Venturi adjustment lever 
Ortho-consciously designed mouthpiece