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Chambers
mattress FS9250
No Wave Restriction
Full Motion Free Flow (0%=5 to 8 seconds of motion)
Order in Single Water Mattress
mattress FS9254
Standard Waveless System
3 Layers Fiber Head to Foot + 1 layer lumbar support
(85%=2 to 3 seconds of motion)
Order in Single Water Mattress
mattress

FS9256
Super Waveless System
4 layers fiber head to foot + 2 extra layers of lumbar support
(90% = 1 to 2 seconds motion)
Order in Single or DUAL Water Mattress

mattress FS400
Premium Waveless System
4 Layers Fiber Head to Foot + 3 lumbar support layers
(95%= about 1 second of motion)
Order in Single DUAL Water Mattress
mattress FS600
Ultra Waveless System

5 Layers Fiber Head to Foot + 4" blue progressive foam for added lumbar support (99%= virtually no motion with side support making it easy to get in and out of bed, plus extra back support)
This water chamber is considered extra firm.
Order in Single or DUAL Water Mattress