I have one of these fridges that failed. It was delivered and installed initially…I never saw the box. How does that factor in? Plus don’t buy LG, it’s a shit company.

Something like the Maverick hybrid might be best for you.

Feed them on the way up and the way down. Sucking/drinking greatly helps with the air pressure changes. We did that and worked wonders. We would walk of and people would be surprised there were children were in the plane.