and spine completely. >> i would worry that you have air down below. >> there is a pump in there. >> what about a leak? >> it is guaranteed for 25 years or something like. that we can't guarantee it will not leak but for that kind of money, they are saying it shouldn't. >> i do have a quick question. the old fashioned sleep number beds. there was a silly ridge in the middle of the bed and this one doesn't have that? >> you can adjust each side separately and you can still adjust that firmer and less firm and softer, but we don't spot a ridge and that is the beauty of it. >> throw grand for that one. >> what is this one? nthat's right. this here is the certa perfect day applause. it is 1075. and it is an inner spring and