Call: (888) 446-0233
Product Image
ER400SX Super Waveless Softside Waterbed Mattress
The ER400SX Super Waveless Softside Waterbed Mattress features softer support, ideal for someone who wants the classic feel of a waterbed but doesn’t want any wave. The support system is made up of three mid-body fiber layers which provides extra support for the lumbar region. The ER400SX model is available in dual chamber or single chamber styles. Dual systems completely eliminate partner disruption and provide the ability for each sleeper to control the temperature on their side of the bed. Dual systems require two heaters. Single systems require one heater. The ER400SX model has:
•  A full, 8 inch depth for maximum flotation and minimum displacement between sleepers of different size
•  Tethered Wave Control Systems keep the wave control/support system in place and prevent shifting of those materials
•  Main seams are recessed completely underneath the mattress to eliminate flexing and stress on those seams
•  A black bottom panel made from a special vinyl formulation that is better at withstanding heat from the heater
The ER400 SX Super Waveless Softside Waterbed Mattress utilizes Sterling’s Premium 24mil Endura3 Vinyl. Endura3
is formulated with the finest resins available and is engineered to be the best material possible, making for a durable, long-lasting, high quality waterbed.

For use in “softside” waterbeds like our Plush Top and Pillow-Top Softsides.
Measurements below represent total bed size.
Price does not include heater.
MSRP - $610.00(Dual)
* 2 Heaters Included