Mercer 9 Inch Split California King Box Spring Foundation In Grey

Coaster’s Mercer 9 Inch Split California King Box Spring Foundation In Grey provides a strong, steady base designed to support your mattress night after night. Built in the USA, this transitional foundation features a slat system arranged for dependable stability, helping your sleep surface feel consistent across both halves of a split California king setup.

The upholstered grey cover gives the foundation a clean, finished look that blends easily with a range of bedroom styles. Inside, Kara-Guard padding is used in place of standard cardboard, helping reduce noise from shifting and movement so your bedroom stays quieter.

With its 9-inch profile, this foundation adds a substantial, traditional height to the bed setup while keeping support at the forefront. The open structure also encourages airflow around the mattress, which can help maintain a fresher, more comfortable sleep environment.

• Split California king 9-inch box spring foundation designed for stable, even support
• Made in the USA for dependable craftsmanship
• Kara-Guard padding replaces ordinary cardboard to help reduce creaks and squeaks
• Slat construction helps cradle the mattress for long-lasting stability
• Open design promotes airflow for a cooler-feeling sleep surface
• Upholstered grey exterior offers a neat, finished appearance