Apeks did a very good job on diaphragm first stages (so did some other manufacturers). Scubapro wanted to have an adequate product in this market and introduced the MK 14. This reg contains much more different parts as a Tx 50. I can´t say if it´s better - you have to decide it on your own. The MK 14 was very fast followed by the MK 18.
Ports: 2 HP 7/16", 5 LP 3/8"
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