Serta Flat Foundation

This Flat Foundation has a V-shaped double steel buildup for strength and support that enhances the performance and appearance of every Mattress 1stmattress. Other foundations use ordinary wood foundations that can break down over time, while this foundation is made with extremely durable tempered steel and premium furniture-grade lumber.

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  • Twin Mattress
    Was $300
    Engles price: $150
    You save: $150
  • XL Twin Mattress
    Was $300
    Engles price: $150
    You save: $150
  • Full Mattress
    Was $400
    Engles price: $200
    You save: $200
  • Queen Mattress
    Was $400
    Engles price: $200
    You save: $200
  • King Mattress
    Was $600
    Engles price: $300
    You save: $300