It has been almost 3 years now and our dual air chambers have separated leaving a gap in the middle with no support. I called Select Comfort and they had us measure the bed and decided that the mattress cover is defective. This defect is going to cost us $161.00 to fix. This is per the prorated warranty they offer for their product. I am sorry to say that I was not more skeptical of this warranty thinking, what really could go wrong with a bed mattress anytime soon. Well I stand corrected!! I am ashamed that I spent over $1500.00 on a... read full review »