https://www.multi-3s.com/
M3S is the manufacturer of civil and military scuba diving rebreathers. The rebreathers are light, compact, simple and robust, and adapt to all configurations.
scuba divingrebreathermanufacturer
https://www.rebreathers.com.au/
Australian stockists of JJ-CCR rebreathers + JJ-CCR training, closed circuit rebreather consumables & tec scuba diving gear.
tech divingjjccrrebreathersgear