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King-Size
Mattresses

The Original Mattress Factory offers a wide selection of hand-built king-size mattresses. King-size mattresses are 76 inches x 80 inches (± 1 inch). Our king-size mattresses are available in 15 innerspring and three foam models, including two-sided and one-sided models and in comfort levels from soft to hard. We highly recommend you pair your new mattress with a real working box spring, as well as a heavy-duty frame that features a center rail for support. Split box springs come standard on all king-size mattress sets. If you have concerns about being able to easily get in and out of bed due to the height of the mattress, you may want to consider a low-profile box spring. All OMF king-size innerspring mattresses are hinged to enable you to fold the mattress for easy transport.

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  • Mattress Size: Twin or California King
  • Product Line: Orthopedic or Serenity
  • Product Type: Set
  • Design Type: Pillow top
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Picture of Orthopedic Pillow Top Mattress Set Product

Orthopedic Pillow Top Mattress Set

12.5-inch ultra-premium quality innerspring mattress set hand built with a two-sided EuroTop design and medium...

King: $1,887.00
Picture of Orthopedic Premier Super Pillow Top Mattress Set Product

Orthopedic Premier Super Pillow Top Mattress Set

15-inch ultra-premium quality innerspring mattress set hand built with a two-sided EuroTop design and soft...

King: $2,017.00
Picture of Orthopedic EuroTop Mattress Set Product

Orthopedic EuroTop Mattress Set

16-inch ultra-premium quality innerspring mattress set hand built with a two-sided EuroTop design and a very soft...

King: $2,417.00
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