regulator parts

Aqualung ABS (for parts) missing diaphragm and adjustable HP crown I see no issues why it shouldn't work fine, otherwise... $20 (shipping included)

I recently purchased new (to me) tanks, which all have DIN fittings on them. Currently I use a plug for my yolk regulators while I wait for the fitting to convert them to DIN. I will be doing 95% of my diving with my own tanks, but will be travelling occasionally over the winters to dive. Is it...

If anyone has some older or interesting Scubapro regulators they want to get rid of let me know. Interested in all kinds of working or not really working first and second stages.

I am trying to breath life in my old Jetstream 2nd. I have managed to get everything, but the purge button has a tear in it and I would like to replace it. The problem is the price everyone wants is obscene. If anyone has an extra lying around that they are willing to part with I would...