Best Cal King Box Spring 9 Inch California in USA 2025
Updated on July 2025
#1
Recommended
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- 9" California king box spring with a sturdy steel frame for stable mattress support and noise-free use.
- Easy assembly with all necessary parts and instructions included.
- Removable fabric cover allows for convenient spot cleaning.
- 9-inch height accommodates shorter mattresses and elevates the bed for easier access.
- Includes a 2-year limited warranty; bed frame sold separately.
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- 9" California king box spring with a sturdy steel frame for stable mattress support and noise-free use.
- Easy assembly with all necessary parts and instructions included.
- Removable fabric cover allows for convenient spot cleaning.
- 9-inch height accommodates shorter mattresses and elevates the bed for easier access.
- Includes a 2-year limited warranty; bed frame sold separately.
#2
Value for Money
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- Box spring designed for California King size beds, capable of supporting up to 3,000 lbs due to its robust steel construction.
- Includes clear instructions for quick and easy assembly.
- Designed to minimize noise for a quiet sleep experience.
- Fabric cover compatible with various memory foam and hybrid mattresses.
- Dimensions: 83.6"L x 71.6"W x 9"H.
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- Box spring designed for California King size beds, capable of supporting up to 3,000 lbs due to its robust steel construction.
- Includes clear instructions for quick and easy assembly.
- Designed to minimize noise for a quiet sleep experience.
- Fabric cover compatible with various memory foam and hybrid mattresses.
- Dimensions: 83.6"L x 71.6"W x 9"H.
#3
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- Engineered with reinforced joints and heavy-duty metal slats for enhanced stability and support, accommodating up to 3000 lbs.
- 9-inch height provides a low-profile design that suits various mattress types, including innerspring, memory foam, and latex.
- Designed to prevent noise and promote durability for a quiet sleeping environment.
- Assembly is straightforward with clear instructions and all necessary tools included, allowing for quick setup.
- Includes a fabric cover with elastic band to keep the mattress in place, which is also easy to remove for cleaning.
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- Engineered with reinforced joints and heavy-duty metal slats for enhanced stability and support, accommodating up to 3000 lbs.
- 9-inch height provides a low-profile design that suits various mattress types, including innerspring, memory foam, and latex.
- Designed to prevent noise and promote durability for a quiet sleeping environment.
- Assembly is straightforward with clear instructions and all necessary tools included, allowing for quick setup.
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#4
5% Off
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- Heavy-duty construction with metal slats for maximum stability and support, capable of holding up to 3500 lbs.
- 10-inch height with rounded corners to prevent injuries, compatible with various mattress types.
- Folding design for easy assembly, includes all necessary tools and clear instructions for quick setup.
- Noise-free construction with welded supports to eliminate squeaks and ensure a quiet sleep experience.
- Removable and washable cover for easy cleaning, compatible with multiple mattress types or can be used directly on the floor.
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- Heavy-duty construction with metal slats for maximum stability and support, capable of holding up to 3500 lbs.
- 10-inch height with rounded corners to prevent injuries, compatible with various mattress types.
- Folding design for easy assembly, includes all necessary tools and clear instructions for quick setup.
- Noise-free construction with welded supports to eliminate squeaks and ensure a quiet sleep experience.
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#5
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- Ultra-durable steel construction for strength and stability
- Twin/twin XL sizes support up to 350 lbs; other sizes support up to 700 lbs
- Quick and easy assembly with minimal tools needed
- Compact packaging for easy delivery and storage
- Includes a 5-year limited warranty; requires bed frame or platform bed sold separately
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- Ultra-durable steel construction for strength and stability
- Twin/twin XL sizes support up to 350 lbs; other sizes support up to 700 lbs
- Quick and easy assembly with minimal tools needed
- Compact packaging for easy delivery and storage
- Includes a 5-year limited warranty; requires bed frame or platform bed sold separately
#6
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- No box spring required; supported by durable metal slats spaced 7.83 inches apart to prolong the lifespan of various mattress types.
- Simple assembly with all necessary parts and instructions included, allowing setup in 20-30 minutes.
- Sleek, minimalist design that complements modern bedroom aesthetics and fits seamlessly with existing decor.
- Constructed from high-quality metal with reinforced legs for stability; holds up to 1000 pounds in weight.
- Designed to minimize noise with a stable square frame and includes anti-scratch foot covers to protect flooring.
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- No box spring required; supported by durable metal slats spaced 7.83 inches apart to prolong the lifespan of various mattress types.
- Simple assembly with all necessary parts and instructions included, allowing setup in 20-30 minutes.
- Sleek, minimalist design that complements modern bedroom aesthetics and fits seamlessly with existing decor.
- Constructed from high-quality metal with reinforced legs for stability; holds up to 1000 pounds in weight.
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#7
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- Enhances mattress comfort and stability
- Compatible with all mattress types
- Supports up to 350 lbs for Twin; up to 700 lbs for larger sizes
- Simple tool-free assembly
- Sturdy steel construction with horizontal slats
- Removable zip cover for easy cleaning
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- Enhances mattress comfort and stability
- Compatible with all mattress types
- Supports up to 350 lbs for Twin; up to 700 lbs for larger sizes
- Simple tool-free assembly
- Sturdy steel construction with horizontal slats
- Removable zip cover for easy cleaning
#8
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- Provides strong support for any mattress with its steel structure and closely spaced wood slats
- Twin size has a weight capacity of 350 lbs; other sizes can support up to 700 lbs
- 9-inch height suitable for shorter mattresses or higher bed placement
- All parts and tools are conveniently packaged for easy delivery
- Includes a 5-year limited warranty; requires a separate bed frame or platform for use
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- Provides strong support for any mattress with its steel structure and closely spaced wood slats
- Twin size has a weight capacity of 350 lbs; other sizes can support up to 700 lbs
- 9-inch height suitable for shorter mattresses or higher bed placement
- All parts and tools are conveniently packaged for easy delivery
- Includes a 5-year limited warranty; requires a separate bed frame or platform for use
#9
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- No tools required for setup; simply unfold for instant use.
- Constructed with durable steel for a strong foundation; supports up to 350 lbs for twin size and 700 lbs for larger sizes.
- 9-inch height suitable for shorter mattresses or those preferring a higher bed.
- Compact packaging includes all parts and instructions, shipped directly to your home.
- Includes a 5-year limited warranty; requires a separate bed frame or platform bed for support.
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- No tools required for setup; simply unfold for instant use.
- Constructed with durable steel for a strong foundation; supports up to 350 lbs for twin size and 700 lbs for larger sizes.
- 9-inch height suitable for shorter mattresses or those preferring a higher bed.
- Compact packaging includes all parts and instructions, shipped directly to your home.
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#10
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- Rounded leg corners enhance safety by minimizing bumps and injuries.
- Constructed from durable metal, this frame supports up to 3,200 pounds without deformation.
- Designed for a quiet night’s sleep, eliminating noise disturbances.
- Includes all components and straightforward assembly instructions for easy setup.
- Compatible with all mattress types, removing the necessity for a box spring.
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- Rounded leg corners enhance safety by minimizing bumps and injuries.
- Constructed from durable metal, this frame supports up to 3,200 pounds without deformation.
- Designed for a quiet night’s sleep, eliminating noise disturbances.
- Includes all components and straightforward assembly instructions for easy setup.
- Compatible with all mattress types, removing the necessity for a box spring.
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