Top 10 Box Spring King Split – Box Springs

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1. Zinus

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King, ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly

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Zinus #ad - Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door. Durably engineered - durable steel is used to construct the inside framework of this foundation; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 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. The last box spring you’ll ever need - Unlike a traditional box spring, the Smart box spring is made of solid steel that comes together in no time. High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor; For the fastest resolution and to avoid delays, please describe your issue as precisely as possible.
BrandZinus #ad
ManufacturerZinus - DROPSHIP #ad
Height9 Inches
Length79 Inches
Weight44.97 Pounds
Width75.5 Inches
Part NumberOLB-ABS-9K
ModelOLB-ABS-9K
WarrantyWorry-free 5 year limited warranty included.

2. Nutan

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Beige, King, Nutan 4-Inch Fully Assembled Split Low Profile Wood Traditional Box Spring/Foundation for Mattress

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Nutan #ad - Fast shipping: Very Compact resulting fast and easy shipment. Will work great with higher profile mattresses: the 4 inch box spring will give a perfect height for you mattress.

Works with all mattresses: this box spring is good for all mattresses. King size measurement: length-80 inches x Width-76 x Height-4 Weighs-24 lbs. Strong and sturdy: made from 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. Box dimensions: 80x76x8. No assembly required: shipped fully assembled and ready to use, open the box and the mattress is ready to use. Easy to carry: box spring comes split in two to easily pass through narrow hallways & doors.
BrandNutan #ad
ManufacturerNutan #ad
Height8 Inches
Length80 Inches
Weight40 Pounds
Width38 Inches
Part Number77-6/6-3lps
Model4-Inch

3. SafeRest

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SafeRest Split King Contains Two Twin XL encasements Needed for Split King Box Springs Premium Bed Bug Proof Box Spring Encasement, Waterproof, Vinyl Free

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SafeRest #ad - 360 secure zipper closing feature prevents accidental openings by sealing the end zipper traveler with a Velcro flap. Exclusive micro-zipper technology prevents all stages of bed bugs from passing through the zippers teeth.

10-year full replacement warranty and machine washable registered with the FDA as a class 1 medical device. Contains 2 twin xl box spring 39" x 80" x 9" covers to accommodate split box springs only NOT FOR ONE PIECE BOX SPRINGS. Surrounds the box spring on all 6 sides with a durable high-grade polyester surface material back coated with a waterproof membrane layer great for those with asthma and allergies.
BrandSafeRest #ad
ManufacturerSafeRest #ad
Part NumberB00H7KZ5K6
ModelSYNCHKG035727

4. Zinus

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Split King, ZINUS No Assembly Metal Box Spring / 4 Inch White Mattress Foundation / Sturdy Metal Structure

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

Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door. As simple as unfold & unwind - requiring no tools and zero tedious assembly, the innovative No Assembly box spring requires only unfolding to become bedtime ready; the hardest part will be taking it out of the box. Low profile design - a 4 inch height is perfect for taller mattresses or for those who enjoy their bed lower to 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.
BrandZinus #ad
ManufacturerZinus #ad
Height4 Inches
Length79 Inches
Weight50.79 Pounds
Width75.5 Inches
Part NumberOLB-BIFD-4K
ModelOLB-BIFD-4K

5. Zinus

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ZINUS No Assembly Metal Box Spring / 7.5 Inch White Mattress Foundation / Sturdy Metal Structure, Split King

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Zinus #ad - Easy setup – simply unfold and secure the zipper on the cover. 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.

Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door. As simple as unfold & unwind - requiring no tools and zero tedious assembly, the innovative No Assembly 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; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs; King size is a split version.
BrandZinus #ad
ManufacturerZinus #ad
Height7.5 Inches
Length79 Inches
Weight54.67 Pounds
Width76 Inches
Part NumberSM-SC-BIFD-75SK
ModelSM-SC-BIFD-75SK

6. Zinus

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Split Queen, ZINUS No Assembly Metal Box Spring / 9 Inch White Mattress Foundation / Sturdy Metal Structure

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Zinus #ad - Durably engineered - durable steel is used to construct the interior framework of this reliable foundation; twin supports a maximum weight capacity of 350 lbs, while aother sizes can support up to 700 lbs; Queen, King and Cal King sizes are split versions.

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. As simple as unfold & unwind - requiring no tools and zero tedious assembly, the innovative No Assembly box spring requires only unfolding to become bedtime ready; the hardest part will be taking it out of the box. High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor. Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door.
BrandZinus #ad
ManufacturerZinus - DROPSHIP #ad
Height9 Inches
Length79 Inches
Weight48.77 Pounds
Width59.5 Inches
Part NumberSM-SC-BIFD-9Q
ModelSM-SC-BIFD-9Q

7. Zinus

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California King, ZINUS Metal Box Spring with Wood Slats /9 Inch Mattress Foundation / Sturdy Steel Structure / Easy Assembly

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Zinus #ad - High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door.

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 / California King Size. Durably engineered - durable steel and wood slats are 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.

A mattress game-changer - any decent mattress needs a good foundation behind it, well, reliable, closely spaced wood slats and a compact, and this box spring is one of our best; built with all of the trusted support we put into our ever-so-popular platform beds, cleverly developed, this game-changing box spring has the total package - an unwavering steel structure, package.
BrandZinus #ad
ManufacturerZinus #ad
Height9 Inches
Length83 Inches
Width71.5 Inches
Part NumberAZ-HBBS-9CK
ModelAZ-HBBS-9CK
WarrantyWorry-free 5 year limited warranty included.

8. Mainstay

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King, Mainstay Half-Fold Metal Box Spring

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Mainstay #ad - Folds in half for transport and storage No assembly required Non-slip surface to prevent movement Constructed from premium high gauge steel, plastic, and polyester in product highlight.
BrandMainstay #ad
ManufacturerMainstays #ad
Part Numberw555223113

9. Spinal Solution

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Spinal Solution Fully Assembled Split Wood Traditional Boxspring/Foundation for Mattress, Size, King

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Spinal Solution #ad - Fast shipping: Very Compact resulting fast and easy shipment. No assembly required: shipped fully assembled and ready to use, open the box and the mattress is ready to use.

Works with all mattresses: this box spring is good for all mattresses. Box dimensions: 80x76x8. Easy to carry: box spring comes split in two to easily pass through narrow hallways & doors. Strong and sturdy: made from 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. King size measurement: length-80 inches x Width-76 x Height-8 Weighs-24 lbs. Will work great with lower profile mattresses: the 8 inch box spring will give a perfect height for you mattress.
BrandSpinal Solution #ad
ManufacturerSpinal Solution #ad
Height8 Inches
Length79 Inches
Weight50 Pounds
Width76 Inches
Part Number4480-6/6-3S
Model8-inch

10. Continental Sleep

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Continental Sleep 8-Inch Fully Assembled Split Wood Traditional Box Spring/Foundation for Mattress Set, King, Beige

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Continental Sleep #ad - This box spring is good for all mattresses. Easy to carry: box spring comes split in two to easily pass through narrow hallways & doors. Strong & sturdy box spring. Will work great with lower profile mattresses: the 8 inch box spring will give a perfect height for you mattress.

Works with all mattresses: this box spring is good for all mattresses. Box dimensions: 80x76x8. Made in USA. Fast shipping: Very Compact resulting fast and easy shipment. Strong and sturdy: made from 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.

King size measurement: length-80 inches x Width-76 x Height-8 Weighs-24 lbs. Fully assembled; the box spring is ready to use. Fast & easy shipping. Box spring comes split to easily pass through narrow hallways & doors. No assembly required: shipped fully assembled and ready to use, open the box and the mattress is ready to use.
BrandContinental Sleep #ad
ManufacturerContinental Sleep #ad
Height8 Inches
Length79 Inches
Weight50 Pounds
Width76 Inches
Part Number1000-6/6-3S
Model8-Inch Fully Assembled