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Posturepedic Standard Box Spring-California King

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$480.00
Sep 13 · Macy's
Best price
$480.00
−0% vs high
14-day high
$480.00
All stores
$480$480$480
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $480.00 at Macy's. Highest: $480.00. Current best is 0% below the 14-day high.

About this product

The Sealy Posturepedic Standard Box Spring in California King size provides a durable foundation for mattresses with its StableSupport™ construction. Designed to support long-term use, this box spring measures 9 inches in height and weighs 35 pounds. It meets federal fire retardant safety standards and is made in the USA using both imported and domestic materials. The foundation arrives in two separate pieces, which simplifies transport through tight spaces like narrow stairwells and door frames. This setup ensures compatibility only with standard bed frames, not adjustable bases.

  • California King size
  • 9-inch height
  • StableSupport™ construction
  • Made in USA
  • Arrives in two pieces
  • Meets fire safety standards

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Posturepedic Standard Box Spring-California King — Price History