Former SEAL at my ymca pool sold me a Draeger LAR rebreather for $70. Apparently it's good to use on long swims and will make pool comp easier for me. But idk
Draeger LAR 7000 Diving Equipment | Rebreather | Ahjar Safety Oman
Dräger LAR 5010 | Draeger
Draeger Safety Announces the LAR V Mod 2B Closed-Circuit Oxygen Rebreather