ER600 Super Waveless, Edge Support, Back Support, Softside Waterbed Mattress, Deep Fill (8")- Most Waveless
The ER600 features the Progressive Rate Spring (US Patent 4,905,331), which provides additional edge support to the mattress and back support for the sleeper. The Progressive Rate Spring creates individualized support based on each sleeper's weight, adjusting to support each part of the body independent of any other sleeper. It additionally provides key support in the lumbar area.
|Choose Mattress Size||California King 72in x 84in, Eastern King 76in x 80in, Queen 60in x 80in|
|Single or Dual Mattress||Single, Dual|