lightsandsirens5
Forum Deputy Chief
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I have never used the ones without the suction port. We use them exclusively for now, I have heard rumors we may be getting et tubes back because of the new data coming out on them.(the king)
I called that at my service from the first day we got them. I didn't like them the moment I laid eyes on them. Now, that is due to no great knowledge on my part, it was just a hunch, and I have avoided Kings at all costs over the past two years we have had them.