7.5'' No Assembly Metal Box Spring - Zinus : Target
Zinus Night Therapy 4" Low-Profile Wood and Metal Box Spring (Assorted Sizes) - Sam's Club
Mattress & Box Spring - Gaylord Hotels Store
Amazon.com: Dreamy Classic Full Size (54"x75"x9") Mattress and Box Spring Set - Fully Assembled, Orthopedic, Good for Your Back, by Dream Solutions USA : Home & Kitchen
Mainstays 7.5" Half-Fold Metal Box Spring, Twin - Walmart.com