Sleep Number® 4000 is an older version of a current c4 of Classic Series
Rayon Rabric Cover
Hypersoft™ Quilting Foam
Polyester Fiberfil
1.5" Convoluted Foam
Standard DualAir™ Firmness Control System
24 gauge vulcanized rubber air chamber with whisper-quit pump and one digital wireless remote
Foam border walls - high density foam perimeter
Modular base 8" high
FlexFit™ adjustable base
FlexFit™ PLUS adjustable base
25 Year Limited - first 2 years Non-Prorated Non-Prorated + 23 years Prorated Warranty Prorated
0-2 years - no cost
3–20 years - 20% plus 4% of cost for each completed year from original purchase or invoice date, whichever is later
21-25 years - 96% of cost
Assembly required with regular shipping option. Home Delivery option is available, which includes installation and optional removal of your current mattress and base.
