3 ms·
That's exactly what we were trying to do! Since the system is positive pressure, the "snorkel" can be as long as you like. It can even leak a little bit, with n
by spiritplumber 7y ago
That's exactly what we were trying to do! Since the system is positive pressure, the "snorkel" can be as long as you like. It can even leak a little bit, with no ill effect to the wearer (since the air will puff out).