The Oceanic DIN Fitting allows you to convert your Oceanic First Stage from Yoke, over to DIN. The DIN fitting is highly sort out by recreational, technical and cave divers thanks in part to it's stronger design features and it's ability to handle rougher and more demanding working environments. This Oceanic DIN Fitting is rated to 300 BAR / 4500 PSI and is compatible with all Oceanic First Stages that were manufactured post 1999 EXCEPT the Oceanic SP5. If you are chassing a DIN fitting for the Oceanic SP5 First Stage, or if your Oceanic first stage was manufactured Pre 1999. This Oceanic DIN fitting has been solidly constructed from chrome plated marine grade brass for long life and it is compatible with the following brands: Oceanic, Aeris and Hollis first stages, and it may also fit other brands. The Oceanic DIN Fitting is easy to install yourself with tools, without the need to go into a dealer and is a genuine Oceanic accessory. If you are unsure as to the compatibility of this DIN fitting please contact us.