03-22-2020, 04:42 AM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
Posts: 36,633
Thanks: 3,506
Thanked 136,542 Times in 22,784 Posts
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If you have never seen one, this is a ventilator. If the manufacturers name rings a bell, they also manufacturer rebreathers - the underwater air supply that leaves no bubbles - used by all Special Forces military
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