An integrated pump means that it is built into the frame of the mattress. The 3-in-1 valve has two brackets on each side of the valve for easy removal. The 2-in-1 valve has no brackets and consists of a valve with a screw cap. The double valve is a vinyl valve welded into the mattress.
How can I distinguish the valves of the inflatable beds?
How can I distinguish the valves of the inflatable beds?