Top 10 Box Spring King Size Bed – Box Springs

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1. Zinus

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

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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. High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor.

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. 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

2. AmazonBasics

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

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AmazonBasics #ad - Measures 9 inches deep; backed by an AmazonBasics 1-year limited warranty. 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. 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. Durable steel frame and horizontal slats provide sturdy, reliable support for any same-size mattress.
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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Zinus Armita 7 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / Easy Assembly, King

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Zinus #ad - 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.

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. 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, tools and instructions are packed into one compact box that ships straight to your door.
BrandZinus #ad
ManufacturerZinus #ad
Height7 Inches
Length75.5 Inches
Weight47.02 Pounds
Width79 Inches
Part NumberOLB-ABS-7K
ModelOLB-ABS-7K

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 - 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.

A mattress game-changer - any decent mattress needs a good foundation behind it, closely spaced wood slats and a compact, reliable, this game-changing box spring has the total package - an unwavering steel structure, and the Walter is one of our best; built with all of the trusted support we put into our ever-so-popular platform beds, cleverly developed, well, package. 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. 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. 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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Zinus Armita 5 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / Low Profile / Easy Assembly, King

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Zinus #ad - 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 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.

Low profile design - a 5 inch height is perfect for taller mattresses or for those who enjoy their bed lower to the floor. Thoughtfully packaged - All parts, tools and instructions are packed into one compact box that ships straight to your door. 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.
BrandZinus #ad
ManufacturerZinus #ad
Height5 Inches
Length79 Inches
Weight46.05 Pounds
Width75.5 Inches
Part NumberOLB-ABS-5K
ModelOLB-ABS-5K

6. Zinus

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King, Zinus Abel 14 Inch Metal Platform Bed Frame / Mattress Foundation / No Box Spring Needed / Steel Slat Support / Easy Quick Lock Assembly

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Zinus #ad - Underbed clearance - a 14 inch platform features 12 inches of underbed space perfect for storing extra odds and ends. Easy assembly - metal slats are secured with our bolt-free Quick Lock assembly system to save you time and hassle; all parts, tools and instructions are shipped straight to your door in one efficiently packed box; set-up takes less than hour with a friend’s help.

No box spring needed - reliable metal slats are designed to support and extend the life of your latex, memory foam or spring mattress without the need for a box spring; for twin and full sizes, slats are spaced 5. 5 to 5. 9 inches apart.

Worry-free 5 year limited warranty included; mattress sold separately; twin size supports a maximum weight capacity of 250 pounds, while all other sizes can support up to 500 pounds. Go minimalist - less is more, especially with this modern and boldly outlined foundation that lends both strength and understated sophistication to your bedroom - two qualities that never go out of style.
BrandZinus #ad
ManufacturerZinus #ad
Height14 Inches
Length79.5 Inches
Weight45.14 Pounds
Width75.5 Inches
Part NumberOLB-QLSP-14K
ModelOLB-QLSP-14K

7. Zinus

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

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Zinus #ad - Low profile design - a 4 inch height is perfect for taller mattresses or for those who enjoy their bed lower to 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.

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. 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. Thoughtfully packaged - All parts and instructions are packed into one compact box that ships straight to your door.
BrandZinus #ad
ManufacturerZinus #ad
Height4 Inches
Length79 Inches
Weight50.79 Pounds
Width75.5 Inches
Part NumberOLB-BIFD-4K
ModelOLB-BIFD-4K

8. Classic Brands

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Classic Brands Instant Foundation Low Profile 4-Inch Box-Spring Replacement, King

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Classic Brands #ad - Strong and sturdy foundation supports today's heavier mattresses including Memory Foam and Latex beds and actually increases the mattress's longevity by preventing sagging.

76" w x 80" l x 4" H. Easy to assemble instant foundation is a low-cost solution that provides perfect support for today's higher profile mattresses. 5 star customer Service; Available 7 days a week. Package delivers to your doorstep and fits easily through tight hallways or narrow stairwells. Ready for assembly; most tools and easy to follow instructions are included. Low profile foundation is durable, and offers easier access to those who may have difficulty getting onto a higher bed mattress, frame, noise-free, and headboard sold separately. Handcrafted of solid spruce in the USA by the Pennsylvania Amish.
BrandClassic Brands #ad
ManufacturerClassic Brands #ad
Height4 Inches
Length80 Inches
Width76 Inches
Part Number123001-5060
Model123001-5060
Warranty3 year warranty.

9. Zinus

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

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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.

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, 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.

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. High profile design - a 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor.
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. Zinus

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King, Zinus Keenan 14 Inch Free Standing Smart Box Spring / Mattress Foundation / With 9 Support Legs / Strong Steel Structure / Easy Assembly Required

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Zinus #ad - Strong and Sturdy steel structure. Available in twin, Full, Queen, King. All tools included for assembly. Worry free 5 year limited warranty / Box Spring only, Bed frame sold separately. Convenient and compact packaging.
BrandZinus #ad
ManufacturerSleep Revolution #ad
Height14 Inches
Length76 Inches
Weight53.86 Pounds
Width80 Inches
Part NumberAZ-BSLB-K
ModelAZ-BSLB-K