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iComfort Intellectual EFX
is the mid-low model in the iComfort EFX
of memory foam mattresses
. The high-end model is Brilliant EFX
, and the entry-level one is Aura
. The remaining two models are Visionary EFX Cushion Firm
and Visionary EFX Plush
The key feature of Serta iComfort
mattresses is Cool Action
™ Dual Effects
® gel memory foam, which is infused with beads of two kinds of gel
, one for support and one for cooling.
collection uses EverFeel Technology (EFX)
, which adds a layer of EverFeel
, a poly-foam which is sensitive to changes in room temperature. Serta
claims that EFX
keeps the same level of support and conformity in a wide range of temperatures.
uses this cutaway view to illustrate the build of the iComfort Intellectual EFX
_____Features of the Intellectual EFX --
1. Avantec Premium Performance Fabric with TENCEL® Fibers
2. EverFeel™ Technology
3. Cool Action™ Dual Effects® Gel Memory Foam
4. Serta Support Foam
5. Comfort Last® Foam Core with Ultimate Edge® Support
Avantec fabric in the cover is a blend of polyester (90%), lycra (2%) and Tencel® (8%). Tencel® is fibers extracted from wood pulp. It wicks moisture from the sleeping surface and cools by evaporation, thus controlling both moisture and temperature.
EverFeel™ Technology, described above, is to keep the support and conformity even when room temperature changes.
Cool Action™ Dual Effects® gel memory foam is infused with MicroSupport gel and MicroCool+ gel. MicroSupport enhances support characteristics of the open-cell memory foam. MicroCool+ regulates temperature, keeping the mattress from becoming too hot.
Two layers of Serta Support Foam add firmness to this memory foam mattress, bringing the firmness of the 11" high iComfort Intellectual EFX to Ultra Firm.
Support for the Intellectual EFX is provided by the Comfort Last® Foam Core. This high resiliency foam supports all the layers above, keeping them from bottoming out. This both offers orthopedic support to the sleepers and prolongs the life of the materials.
Ultimate Edge® Support foam encasement is the perimeter support for the support core and the comfort layers, as well as supporting the sleeping surface. This makes the top of the Intellectual EFX 100% usable and prevents roll-off.
iComfort Intellectual EFX carries Serta's 25-year limited warranty. The recommended foundations are the iComfort StabL Base (8" standard or 5" low profile) and the Serta Motion adjustable bases. This model is widely available through major chains and local and regional retailers, both in stores and online.
Mattress and Bed Set Model Name
iComfort Intellectual EFX
Serta International, Customer Service Department, 3 Golf Center #392, Hoffman Estates, IL 60169, 1-888-55-SERTA (1-888-557-3782)
Level of Firmness
Inner Bed Composition
HR support core, dual gel MF, EverFeel polyfoam layer, 2 support foam layers
Mattress Edge Support
Mattress Cover Composition
Blend of polyester, Tencel and lycra
Total Mattress Height
StabL Base platform or Serta Motion adjustable bed
Memory foam infused with both cooling and support gels
25-year limited warranty
Keep in sanitary condition, and provide proper foundation
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