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iSeries® Vantage Firm


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  • The iSeries Vantage Firm is built to feel like a traditional firm model while offering the benefits of our gel memory foam technology. It features a layer of our Cool Action Dual Effects® Gel Memory Foam for enhanced cooling and comforting and targeted support. Plus, a layer of Serta® Support foam creates a firmer feel when compared to the Vantage Plush model.



    Your iSeries® Sleep System mattress comes with a 10-year limited warranty.

    Comfort Assurance

    We want you to make your iSeries by Serta purchase with complete confidence. We know that even after making a careful selection, sometimes people may need a different level of comfort. That is why your iSeries mattress purchase is backed by our 120 Day In-Home Trial Policy.


    Approx. Mattress Height

    • 12"

    Support System

    • Duet Coil Individually Wrapped Coil-in-Coil Support System (1008) with BestEdge® Foam Encasement

    Top Upholstery

    • Cool Action Dual Effects® Gel Memory Foam
    • Serta® Support Foam


    • FireBlocker® Fiber
    • Pillo-Fill®
    • 1" Serta® PillowSoft Foam