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    Best Seller
    King Firm 12" Hybrid Mattress - The Twillery Co.® Griggs 12-Inch Medium EuroTop Breathable Mattress, Compatible w/ Adjustable Bed | 80 H x 76 W 12 D in Wayfair

    King Firm 12" Hybrid Mattress - The Twillery Co.® Griggs 12-Inch Medium EuroTop Breathable Mattress, Compatible w/ Adjustable Bed | 80 H x 76 W 12 D in Wayfair

    This mattress has pocket springs. With their independent springs that minimize motion transfer and provide body pressure relief, Pocket mattresses are a great option for almost anyone. Even lovers of memory foam or other foam mattresses can benefit... more

    $760.54 $689.99

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    Boyd Specialty Sleep Beautyrest Lumbar Supreme King Size Air Mattress with Built-In Pump - Inflatable Bed with Adjustable Lumbar Support

    Boyd Specialty Sleep Beautyrest Lumbar Supreme King Size Air Mattress with Built-In Pump - Inflatable Bed with Adjustable Lumbar Support

    Get the best night s sleep with the Beautyrest Silver 18-inch King Size Lumbar Supreme Air Bed Mattress. This air bed mattress is perfect for side sleepers as it offers different levels of support with a plush feel at the shoulders and feet and firmer... more

    $214.22

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    Best Seller
    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    An upgraded spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $2,434.99

    FREE shipping

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    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    This hybrid mattress is upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam. more

    $1,658.99

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    Sersper 12 inch Memory Foam Mattress,Medium Firmness,Suitable for Adjustable Bed

    Sersper 12 inch Memory Foam Mattress,Medium Firmness,Suitable for Adjustable Bed

    Are you looking for a mattress that can relieve your back and shoulder pains? more

    $281.49 $239.27

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    King Firm 9" Hybrid Mattress - White Noise Medium PillowTop Single Sided Mattress, Compatible w/ Adjustable Bed | 80 H x 76 W 9 D in Wayfair

    King Firm 9" Hybrid Mattress - White Noise Medium PillowTop Single Sided Mattress, Compatible w/ Adjustable Bed | 80 H x 76 W 9 D in Wayfair

    We are a mattress manufacturer of the finest quality mattresses, with the highest standards in durability, quality, comfort, & beauty. We ensure that you get only the best, this exceptional mattress provides a luxurious layer of comfort, ensuring years... more

    $728.00 $579.99

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    King Firm 12" Gel/Foam Mattress - Comforpedic From Beautyrest Gel Memory Foam & Adjustable Base | 80 H x 76 W 12 D in Wayfair 35602-04773-WFA2

    King Firm 12" Gel/Foam Mattress - Comforpedic From Beautyrest Gel Memory Foam & Adjustable Base | 80 H x 76 W 12 D in Wayfair 35602-04773-WFA2

    The 12" firm gel memory foam mattress is manufactured with Gel Memory Foam and includes an adjustable foundation! Upscale gel memory foam with an adjustable foundation for personalized comfort. Mattress Size: Split King | King Firm 12" Gel/Foam... more

    $7,694.99 $2,449.99

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    12-inch Gel-Infused Memory Foam Mattress,Adjustable Set,Medium Firm

    12-inch Gel-Infused Memory Foam Mattress,Adjustable Set,Medium Firm

    Elevate your sleep quality with the Memory Foam Mattress, made with a moisture wicking cover, CertiPUR-US Certified Bamboo Charcoal gel memory foam, and superior edge support.start your journey to a superior night's sleep with this exceptional mattress.… more

    $517.99

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    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    This hybrid mattress is upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam. more

    $2,655.99

    FREE shipping

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    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    An upgraded spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,501.99

    FREE shipping

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    Sersper 12 inch Memory Foam Mattress,Medium Firmness,Suitable for Adjustable Bed

    Sersper 12 inch Memory Foam Mattress,Medium Firmness,Suitable for Adjustable Bed

    Are you looking for a mattress that can relieve your back and shoulder pains? more

    $339.99 $288.99

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    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    This hybrid mattress is upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam. more

    $1,736.99

    FREE shipping

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    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    An upgraded spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,577.99

    FREE shipping

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    12-inch Gel-Infused Memory Foam Mattress,Adjustable Set,Medium Firm

    12-inch Gel-Infused Memory Foam Mattress,Adjustable Set,Medium Firm

    Elevate your sleep quality with the Memory Foam Mattress, made with a moisture wicking cover, CertiPUR-US Certified Bamboo Charcoal gel memory foam, and superior edge support.start your journey to a superior night's sleep with this exceptional mattress.… more

    $482.99 $454.99

    FREE shipping

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    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    This hybrid mattress is upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam. more

    $1,815.49

    FREE shipping

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    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    An upgraded spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,515.99

    FREE shipping

    go to store
    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    This hybrid mattress is upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam. more

    $3,303.99

    FREE shipping

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    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    This hybrid mattress is upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam. more

    $1,616.99

    FREE shipping

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    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    Sealy Paterson 12-inch Medium Hybrid Mattress and Adjustable Base Set

    This hybrid mattress is upgraded with additional motion-reducing coils and layers of advanced breathable memory foam and gel foam. more

    $2,655.99

    FREE shipping

    go to store
    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    An upgraded spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $2,434.99

    FREE shipping

    go to store
    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    An upgraded spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,607.49

    FREE shipping

    go to store
    12-inch Gel-Infused Memory Foam Mattress,Adjustable Set,Medium Firm

    12-inch Gel-Infused Memory Foam Mattress,Adjustable Set,Medium Firm

    Elevate your sleep quality with the Memory Foam Mattress, made with a moisture wicking cover, CertiPUR-US Certified Bamboo Charcoal gel memory foam, and superior edge support.start your journey to a superior night's sleep with this exceptional mattress.… more

    $313.49 $293.49

    FREE shipping

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    Sersper 12 inch Memory Foam Mattress,Medium Firmness,Suitable for Adjustable Bed

    Sersper 12 inch Memory Foam Mattress,Medium Firmness,Suitable for Adjustable Bed

    Are you looking for a mattress that can relieve your back and shoulder pains? more

    $385.49 $346.94

    FREE shipping

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    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Cranberry 12-inch Medium Tight Top Mattress and Adjustable Base Set

    An upgraded spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $3,017.49

    FREE shipping

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    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    An upgraded Faux Euro Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,613.49

    FREE shipping

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    Sealy Posturepedic Spring Carmel Valley 13-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Carmel Valley 13-inch Medium Tight Top Mattress and Adjustable Base Set

    Make the most of your nightly sleep with this wonderfully streamlined mattress. more

    $1,543.99

    FREE shipping

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    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $2,544.49

    FREE shipping

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    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    An upgraded Faux Euro Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $2,538.49

    FREE shipping

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    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $3,206.49

    FREE shipping

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    Kescas 8-inch Medium Gel Memory Foam Mattress,Compatiable with Adjustable Bed Frame

    Kescas 8-inch Medium Gel Memory Foam Mattress,Compatiable with Adjustable Bed Frame

    8- inche of gel infused memory foam to create the Kescas Essentials mattress you can't live without. ActiveRelief™ memory foam cradles your body while you sleep to provide a medium feel great for all sleep styles and preferences. more

    $265.49

    FREE shipping

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    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,674.49

    FREE shipping

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    Sealy Posturepedic Spring Carmel Valley 13-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Carmel Valley 13-inch Medium Tight Top Mattress and Adjustable Base Set

    Make the most of your nightly sleep with this wonderfully streamlined mattress. more

    $1,479.99

    FREE shipping

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    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,609.99

    FREE shipping

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    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    An upgraded Faux Euro Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $2,538.49

    FREE shipping

    go to store
    Sealy Posturepedic Spring Carmel Valley 13-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Carmel Valley 13-inch Medium Tight Top Mattress and Adjustable Base Set

    Make the most of your nightly sleep with this wonderfully streamlined mattress. more

    $2,948.99

    FREE shipping

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    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,703.49

    FREE shipping

    go to store
    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    Sealy Cranberry 14-inch Medium Euro Pillow Top Mattress and Adjustable Base Set

    An upgraded Euro Pillow Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,595.99

    FREE shipping

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    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    An upgraded Faux Euro Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $3,086.99

    FREE shipping

    go to store
    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    Sealy Cranberry 13-inch Medium Faux Euro Top Mattress and Adjustable Base Set

    An upgraded Faux Euro Top spring mattress with motion-reducing encased coils, targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. more

    $1,709.99

    FREE shipping

    go to store
    Sealy Posturepedic Spring Carmel Valley 13-inch Medium Tight Top Mattress and Adjustable Base Set

    Sealy Posturepedic Spring Carmel Valley 13-inch Medium Tight Top Mattress and Adjustable Base Set

    Make the most of your nightly sleep with this wonderfully streamlined mattress. more

    $1,467.49

    FREE shipping

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    More information about Mattresses & Boxsprings

    Best prices on King mattress 12 inch medium, Adjustable Mattresses in Mattresses & Boxsprings online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.