Top 10 Split King Box Spring – Mattresses & Box Springs

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1. Greaton

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Greaton For Mattress 8-Inch Split Box Spring, King

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Greaton #ad - Shipped fully assembled and ready to use, open the box and the mattress is ready to use. Length-80 inches x width-78 x height-8 weighs-24 lbs. The 4 inch box spring will give a perfect height for you mattress. Box dimensions: 80x39x16. Very compact resulting fast and easy shipment. Box dimensions: 80x39x16. Length-80 inches x width-78 x height-8 weighs-24 lbs. This box spring is good for all mattresses.
BrandGreaton #ad
ManufacturerGreaton #ad
Height8 Inches
Length79 Inches
Width78 Inches
Part Number49-6/6-3
ModelFully Assemled

2. AmazonBasics

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Tool-Free Easy Assembly, 9-Inch, AmazonBasics Mattress Foundation / Smart Box Spring for King Size Bed, King

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AmazonBasics #ad - Offers the look and functionality of a traditional box spring, foam, but made from steel for longer-lasting durability sturdy enough to support any spring, or hybrid mattress.

Foldable steel frame to be packed in one smart package and faster delivery to your front. Durable steel frame and horizontal slats provide sturdy, reliable support for any same-size mattress. Easy assembly: new frame construction allows for easy assembly in minutes with no tools required. 2-piece fabric top and bottom covers zip securely together for full coverage; cover is removable for spot cleaning. Measures 9 inches deep; backed by an AmazonBasics 1-year limited warranty.
BrandAmazonBasics #ad
ManufacturerAmazonBasics #ad
Height9 Inches
Length79 Inches
Weight42.24 Pounds
Width75.5 Inches
Part NumberAMZ-9KDBS-K2
ModelAMZ-9KDBS-K2

3. Zinus

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King, Zinus Daniel 4 Inch Essential Box Spring / Mattress Foundation / Easy Assembly Required

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Zinus #ad - Durably engineered - thick steel interior framework and 2. 8 inch wood slats are covered in a durable woven grey fabric; supports any latex, memory foam or spring mattress. Worry-free 5 year warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.

Thoughtfully packaged - all parts, tools and instructions are packed into one compact box that ships straight to your door; easily assembles in less than an hour. Style & substance - designed to keep up with appearances, this metal framed foundation offers a twist on traditional; featuring thick wooden slats, a steel structure and grey fabric panels for an upholstered look that complements your mattress and bed frame.

Customize the height of the bed - with 3 different profiles available, you can choose to make your bed as high or low as you like; twin size can support upto 350 lbs, and all other sizes can support upto 700 lbs.
BrandZinus #ad
ManufacturerZinus #ad
Height4 Inches
Length79 Inches
Weight52 Pounds
Width75.5 Inches
Part NumberESBS-4K
ModelESBS-4K
WarrantyWorry-free 5 year warranty included.

4. Zinus

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Zinus Walter 9 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Wood & Metal Structure / High Profile / Easy Assembly, King

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Zinus #ad - A mattress game-changer - any decent mattress needs a good foundation behind it, reliable, this game-changing box spring has the total package - an unwavering steel structure, closely spaced wood slats and a compact, cleverly developed, and the Walter is one of our best; built with all of the trusted support we put into our ever-so-popular platform beds, well, package.

High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor. Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately. Durably engineered - durable steel and wood slats are used to construct the interior framework of this foundation; slats are spaced 2.

5 - 2. 9 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door. Foam padded tape is added to the steel frame for noise-free use and non-slip tape on the wooden slats prevents your mattress from moving. Dimensions and weight: king: 79" x 75. 5" x 9", 62. 59 lb.
BrandZinus #ad
ManufacturerZinus #ad
Height9 Inches
Length79 Inches
Weight62.59 Pounds
Width75.7 Inches
Part NumberAZ-HBBS-9K
ModelAZ-HBBS-9K

5. Zinus

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King, Zinus Armita 9 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / High Profile / Easy Assembly

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Zinus #ad - The last box spring you’ll ever need - unlike a traditional box spring, the Armita is made of solid steel that comes together in no time and is backed by our Zinus “Peace of Mind” 5 year warranty.

Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door. High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor. Durably engineered - durable steel is used to construct the inside framework of this foundation; slats are spaced 6 - 7 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs. Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.
BrandZinus #ad
ManufacturerZinus - DROPSHIP #ad
Height9 Inches
Length79 Inches
Weight44.97 Pounds
Width75.5 Inches
Part NumberOLB-ABS-9K
ModelOLB-ABS-9K

6. Zinus

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King, Zinus Jayanna 4 Inch BiFold Box Spring / Mattress Foundation / Zero Assembly / Sturdy Metal Structure / Low Profile

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Zinus #ad - As simple as unfold & unwind - requiring no tools and zero tedious assembly, the innovative BiFold box spring requires only unfolding to become bedtime ready; the hardest part will be taking it out of the box.

Durably engineered - durable steel is used to construct the interior framework of this reliable foundation; slats are spaced 2. 8 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs. Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door. Low profile design - a 4 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor. Dimensions: 79" x 75. 5" x 4" | weight: 508 lb. Box spring: a bed frame or platform bed is required to support this foundation sold separately.
BrandZinus #ad
ManufacturerZinus #ad
Height4 Inches
Length79 Inches
Weight50.79 Pounds
Width75.5 Inches
Part NumberOLB-BIFD-4K
ModelOLB-BIFD-4K

7. Zinus

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Queen, Zinus Jayanna 9 Inch BiFold Box Spring / Mattress Foundation / Zero Assembly / Sturdy Metal Structure / High Profile

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Zinus #ad - High profile design - an 8 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor. As simple as unfold & unwind - requiring no tools and zero tedious assembly, the innovative BiFold box spring requires only unfolding to become bedtime ready; the hardest part will be taking it out of the box.

Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door. Durably engineered - durable steel is used to construct the interior framework of this reliable foundation; slats are spaced 2. 8 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs. Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.
BrandZinus #ad
ManufacturerZinus - DROPSHIP #ad
Height9 Inches
Length59.5 Inches
Weight48.77 Pounds
Width79 Inches
Part NumberSM-SC-BIFD-9Q
ModelSM-SC-BIFD-9Q

8. Zinus

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Zinus Jayanna 7.5 Inch BiFold Box Spring / Mattress Foundation / Zero Assembly / Sturdy Metal Structure, Split King

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Zinus #ad - Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door. Durably engineered - durable steel is used to construct the interior framework of this reliable foundation; slats are spaced 2.

8 inches apart; twin size supports a maximum weight capacity of 250 lbs, while all other sizes can support up to 500 lbs. As simple as unfold & unwind - requiring no tools and zero tedious assembly, the innovative BiFold box spring requires only unfolding to become bedtime ready; the hardest part will be taking it out of the box. Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.
BrandZinus #ad
ManufacturerZinus #ad
Height7.5 Inches
Length79 Inches
Weight54.67 Pounds
Width75 Inches
Part NumberSM-SC-BIFD-75SK
ModelSM-SC-BIFD-75SK

9. Zinus

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Zinus Victor 9 Inch Quick Lock Box Spring / Mattress Foundation / Built-to-Last Metal Structure / High Profile / Easy Assembly, King

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Zinus #ad - Durably engineered - a durable steel frame is used to construct the interior framework of this foundation; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs.

Thoughtfully packaged - all parts, tools and instructions are packed into one compact box that ships straight to your door; Quick Snap assembly system makes set-up intuitive and stress-free. Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately.

High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor. Hassle & headache free - the quick lock metal box spring comes together with easy-to-follow instructions, fewer bolts and absolutely no headaches; assembly that’s intuitive and packaging that seems to defy the laws of physics.
BrandZinus #ad
ManufacturerZinus #ad
Height9 Inches
Length79 Inches
Weight60.49 Pounds
Width75 Inches
Part NumberOLB-QLBS-9K
ModelOLB-QLBS-9K
WarrantyWorry-free 5 year limited warranty included.

10. Spinal Solution

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Spinal Solution 8-Inch Queen Size Fully Assembled Split Foundation Box Spring for Mattress, Sensation Collection

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Spinal Solution #ad - Box spring comes split in two to easily pass through narrow hallways & doors. Made out of strong traditional wood structure, made of light yet dense lumber which prevents the box to loosen up and crack and keeps the mattress in perfect shape. Shipped fully assembled and ready to use, open the box and the mattress is ready to use. Very compact resulting fast and easy shipment. This box spring is good for all mattresses.
BrandSpinal Solution #ad
ManufacturerSpinal Solution #ad
Height8 Inches
Length79 Inches
Weight50 Pounds
Width60 Inches
Part Number1
Model30-5/0-3S