The noise attenuator is an optional item used to dampen the noise of the ventilator during operation. It fits over the air intake port. It can only be used when the supplemental oxygen reservoir is not connected to the air intake port.
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The noise attenuator is an optional item used to dampen the noise of the ventilator during operation. It fits over the air intake port. It can only be used when the supplemental oxygen reservoir is not connected to the air intake port.