king mattress box spring

Bestseller No. 1
Zinus Armita 9 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / High Profile / Easy Assembly, King
  • 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
  • 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
Bestseller No. 2
Zinus Walter 9 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Wood & Metal Structure / High Profile / Easy Assembly, King
  • A MATTRESS GAME-CHANGER - Any decent mattress needs a good foundation behind it, and the Walter is one of our best; built with all of the trusted support we put into our ever-so-popular platform beds, this game-changing box spring has the total package - an unwavering steel structure, reliable, closely spaced wood slats and a compact, cleverly developed, well, package
  • 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
  • HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor
  • Dimensions and Weight: King: 79" X 75.5" X 9", 62.59 lb
  • THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door
Bestseller No. 3
Zinus Armita 5 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / Low Profile / Easy Assembly, King
  • 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
  • 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
  • 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
Bestseller No. 4
AmazonBasics Mattress Foundation / Smart Box Spring for King Size Bed, Tool-Free Easy Assembly - 9-Inch, King
  • Offers the look and functionality of a traditional box spring, but made from steel for longer-lasting durability sturdy enough to support any spring, foam, or hybrid mattress
  • Durable steel frame and horizontal slats provide sturdy, reliable support for any same-size mattress
  • 2-piece fabric top and bottom covers zip securely together for full coverage; cover is removable for spot cleaning
  • Easy Assembly: New frame construction allows for easy assembly in minutes with no tools required
  • Foldable steel frame to be packed in one smart package and faster delivery to your front
Bestseller No. 5
NOAH MEGATRON 7 Inch Box Spring King, Low Profile Metal Boxsprings/Mattress Foundation/Bunkie Board - 3000LBS Strong Steel Structure/Easy Assembly (King)
  • Low Profile Box Spring King Size; Measures: 79.5 by 75.5 by 7 inches (LxWxH); Weighs 55 pounds
  • Strong Structure Mattress Foundation; Constructed of Durable Steel Structure, which offers a noise-free, excellent support for your mattress. Supports up to 3000 LBS
  • Easy Assembly Mattress Box Spring; All tools included, can be easy set up in 30 minutes; No Bedframe Included
  • Box Spring Cover Included; Fabric cover is made of the highest quality microfiber, shrink and wrinkle resistant
  • Worry-free 5 Year Warranty; Within the Warranty Period, the replacement for any defective part will be supplied free. Please rest assured to buy!
Bestseller No. 6
Zinus Armita 7 Inch Smart Box Spring / Mattress Foundation / Built-to-Last Metal Structure / Easy Assembly, King
  • BOX SPRING ONLY | A bed frame or platform bed is required to support this foundation (sold separately)
  • 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 surrounded by a fine polyester jacquard zip cover
  • 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 pounds, while all other sizes can support up to 500 pounds
  • 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
SaleBestseller No. 7
Olee Sleep 13 inch Galaxy Hybrid Gel Infused Memory Foam and Pocket Spring Mattress (King)
  • Composed of 5 layers includes pocket spring
  • Memory foam adapt to your body shape and temperature
  • Gel infused memory foam regulates temperature while conforming to the body to ease pressure points
  • To ensure that this mattress lasts many years, its coils are protected by multi HD and memory foam layers which add to unparalleled quality and incredible comfort.
  • 10 year limited Manufacture warranty
Bestseller No. 8
Zinus Keenan 14 Inch Free Standing Smart Box Spring / Mattress Foundation / With 9 Support Legs / Strong Steel Structure / Easy Assembly Required, King
  • Strong and Sturdy steel structure
  • Convenient and compact packaging
  • All tools included for assembly
  • Available in Twin, Full, Queen, King
  • Worry free 5 year limited warranty / Box Spring only, Bed frame sold separately
SaleBestseller No. 9
Zinus Victor 9 Inch Quick Lock Box Spring / Mattress Foundation / Built-to-Last Metal Structure / High Profile / Easy Assembly, King
  • 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
  • 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
  • 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; 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

Compare The Top 10 king mattress box spring

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