Wayton, 8-inch Split Box Spring for Mattress No Assembly Required , Queen -59x79 - Walmart.com
What is a Split Box Spring?
Split Box Springs for Mattresses ⋆ The Mattress Place
Cutting and Folding a Box Spring : 5 Steps (with Pictures) - Instructables
White Noise Split Wood Box Spring & Reviews | Wayfair
Buy ZINUS SmartBase Tool-Free Assembly Mattress Foundation / 14 Inch Metal Platform Bed Frame / No Box Spring Needed / Sturdy Steel Frame / Underbed Storage, Full,Black Online in Hong Kong. B006MISZOC
Onetan 8-Inch And 4-Inch Traditional Split Wood Box Spring / Foundation with Legs for Mattress. - Overstock - 30822502