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Beautyrest Silver BRS900 King 9" Box Spring Foundation
In-store pricing snapshot
Lowest verified warehouse price ยท 2 Costco warehouses reporting.
* Prices shown are for Costco members only.
The Beautyrest Silver BRS900 King Box Spring Foundation by Simmons provides durable, stable support designed to last the life of your mattress. Standing 9 inches tall, it features a non-yielding strut design for outstanding structural integrity and supports up to 2,000 lbs. of pressure, making it an exceptionally robust base for any king-size mattress.
This foundation ships as a split two-piece set, allowing easy maneuverability through doorways, hallways, and stairwells without sacrificing the full king sleeping surface. The fabric-wrapped exterior features a neutral charcoal gray upholstered finish that pairs cleanly with standard bed frames and platform bases.
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