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The Four Dimension Innerspring Collection features the flex edge tension guards that strongly support the Innerspring structure and border wire that runs around the mattress, resulting in a firmer sleeping and sitting edge. Together with this unique design, this mattress will give you a longer life spend and a healthier body.
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High Density Foam Complies to ASTM D3574 (American Society For Testing And Materials bulletin) 8/6/4 inches HR foam Standard.
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ASTM Standard 42kg/m3 Density with lasting support. Arthur uses high density foam which is also noiseless, dustless and does not crumble, mat down or powder. It has no residual odor, will not aggravate common allergies, and its open cell structure allows the cushioning material to breathe, circulating air within the mattress during use.
