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The Serta iSeries Low Twin XL Box Spring Gives You and Your Mattress the Support You Need The iSeries StabLBase Low Profile Twin XL Box Spring gives you added comfort and support all night long. Set at a low profile, this Serta iSeries flat foundation makes it easier to get in and out of bed. Steel and lumber construction work together to provide you and your mattress with years of superior nightly support, durability, and reduced motion transfer. Enjoy a better night of sleep on your mattress with the Serta iSeries twin XL box spring.
  • The Serta iSeries StabLBase Twin XL Box Spring gives your Serta mattress extra support and durability
  • Set at a low 5" profile foundation height
  • Extra long length works with Twin XL and King mattresses
  • Meets or exceeds State and Federal Fire Retardency Standards
  • Helps to reduce motion transfer from sleep partners
  • Built from tempered steel and furnitire-grade lumber
  • Must buy 2 for king size bed
  • Built in the USA
  • Covered by a 10-year limited warranty


Foundation Color Tan
Width (in.) 38
Foundation Length (in.) 79.5
Foundation Height (in.) 6.0
Size Twin XL
Product Overview:
Foundation Type Box Spring
Package Quantity 1
Foundation Weight (lbs.) 27.74
Warranties & Coverage:
General Warranty 25 Year Limited Warranty

Product Documentation

Product Warranty - English

Energy Star Logo   Energy Guide Logo

Manufacturer's Warranty
1 year parts and labor
SearsOutlet Certified
Find Out More »


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