Hollis 210-HO2 DIN Regulator with Maxflex Hose 210 Second Stage - H-02 First Stage Cleaned and assembled in a clean room environment with specially designed materials, halocarbon based lubricants and color-coded for easy identification Comes standard with 300 BAR/4500 PSI DIN connection and 40 in. /101 cm regulator hose The perfect option for this regulator is the Hollis Brass PSI or BAR pressure gauge with 6in./15 cm HP Hose This coupled with its outstanding reliability make its the only choice for technical divers Designed to withstand the rigorous CE standard for coldwater performance