Sleep Master King Smart Box Spring with Steel Frame
Durable steel construction supports your mattress perfectly with customizable height options and a 5-year warranty. Easy assembly means better sleep starts tonight.
Posted Feb 11, 2026 (109 days ago)Last verified: 1 hour ago
46% OFF
ElectronicsElectronics
amazon.com
Get The Best Deal$290.00$157.56
Sleep Master King Smart Box Spring with Steel Frame
SP
was about to order a wooden slat base but the steel frame on this changed my mind, and the height options are a bonus
47d
JF
was about to buy a wooden frame but the steel construction on this one changed my mind, plus the king size fits our mattress perfectly
57d
46% OFF
$290.00$157.56
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