Because the American National Manufacturing's Collection of soft-side waterbeds
are customizable when ordering you must choose a water mattress insert (bladder/chamber)
to make your order complete.
Dual Control (dual bladders) is two bladders to separate and allow each person
individual control of their sleeping environment for the ultimate in comfort.
If ordering a DUAL chamber then you will want to add two heaters, one for each
of the water chambers.
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Free Flow Chamber - for those who like the natural fluidity of water with no
wave reduction.
Wave Reduced Chamber - 70% wave reduction with 3 layers of fiber.
Waveless Chamber - 85% wave reduction with 5 layers of fiber.
Ultra Waveless Chamber - 95% wave reduction with 7 layers of fiber and extra
lumbar support.
