For sale is this replacement inflatable bed mattress chamber from a regular king-size Sleep Number Classic C4 mattress.
This is the RIGHT side chamber (from the perspective of laying face-up on the bed).
Includes tube for connection between mattress and pump.
Reasonable $11.95 shipping to anywhere in the USA.
Absolutely guaranteed no leaks. You will not be disappointed.
Almost 25 years selling on eBay - bid confidently!