Serta King Firm Mattresses on Sale

A Serta firm king mattress, measuring 76” by 80”, is a great mattress for sleepers who want more room to sleep without losing support. Especially created for sleepers seeking extra space, a Serta king firm mattress gives you extra room while ensuring your body is properly supported. With a Serta firm king size mattress, you'll sleep like a king.

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  • $1,359.99 - $2,299.99 $1,059.99 - $1,999.99 or as low as $44.17/mo Price if paid in 24 months. We offer zero interest financing if you pay off your $999.00 or more purchase in 24 months or less. Learn more.
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