Photo 1 of Amazon Basics Mattress Foundation / Smart Box Spring for King Size Bed, Tool-Free Easy Assembly - 5-Inch, King

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Photo 1 of Amazon Basics Mattress Foundation / Smart Box Spring for King Size Bed, Tool-Free Easy Assembly - 5-Inch, King Photo 2 of Amazon Basics Mattress Foundation / Smart Box Spring for King Size Bed, Tool-Free Easy Assembly - 5-Inch, King Photo 3 of Amazon Basics Mattress Foundation / Smart Box Spring for King Size Bed, Tool-Free Easy Assembly - 5-Inch, King