Tusa RS 681 Regulator Monsters Inc's Planned Godzilla Cameo (& Why Pixar Couldn't Do It) [MINI] Monsters Inc (2001) Ted YouTube The giant legs of the briefly featured monster 'Ted' from 'Monsters Inc Monsters,Inc. Characters. The RS 681 regulator from TUSA combines a compact, lightweight design with strong performance for scuba and diving adventures. The ultra compact balanced diaphragm R 600 first stage is paired with the new S 81 second stage to deliver smooth breathing in a small, reliable package. Designed with practical features for field use, the R 600 first stage offers 2 HP ports and 4 LP ports, a Venturi adjustment lever, and a built in moisture exchange plate. The elliptical low profile case design, along with a MIFLEX hose, enhances flexibility and reduces snag risk during underwater exploration. Compatibility and comfort are supported by options such as the EK 600 cold water kit for temperatures below 50F 10C and the DIN R600 conversion kit (300 bar 4350 psi). An ortho consciously designed mouthpiece and Breathing Resistance Adjustment Control provide a tailored feel for divers, while S. E. A. (Sequential Exhaust Assist) helps manage exhaust flow.