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      Twin XL Mattresses

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      iSeries Prominence Firm II Twin Extra Long
      Experience the perfect balance of our gel memory foam technology and extra firm support.   This mattress features two layers of ...
      iSeries Prominence Firm II Twin Extra Long
      Experience the perfect balance of our gel memory foam technology and extra firm support.   This mattress features two layers of our Cool Action™ Dual Effects® Gel Memory Foam to help relieve pressure while providing targeted support and enhanced cooling comfort.  ...
      Serta iComfort Intellectual Firm II Twin
      The Special iComfort EFX Edition offer?s a deeper, plusher comfort that goes beyond the standard iComfort.  Experience the benefits of ...
      Serta iComfort Intellectual Firm II Twin
      The Special iComfort EFX Edition offer?s a deeper, plusher comfort that goes beyond the standard iComfort.  Experience the benefits of our gel memory foam from an extra firm mattress.  This iComfort EFX model features a layer of Serta Support Foam ...
      Serta iSeries Honoree Firm II Twin Extra Long
      This mattress delivers the benefits of our gel memory foam with a cushion firm feel at the surface, which is ...
      Serta iSeries Honoree Firm II Twin Extra Long
      This mattress delivers the benefits of our gel memory foam with a cushion firm feel at the surface, which is in between the feel of a plush and an extra firm mattress.  It features a layer of our exclusive Cool ...
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