Will Twin XL box springs work for a regular king size bed? - Quora
Glance 8-in Easy Wood Box Spring/Foundation with Simple Assembly, Queen in the Box Springs department at Lowes.com
White Solid Box Spring Cover (queen) - Threshold™ : Target
Continental Sleep, 8" Queen High Profile Wood Box Spring for Mattress, White - Walmart.com
Upholstered Metal Box Spring with Wood Slats | Zinus
Upholstered Platform Bed Frame with 4 Drawers, Headboard and Footboard Metal Support, No Box Spring Required, King/Queen/Full - Bed Bath & Beyond - 38368955
Vecelo 14 Inch Twin/Full/Queen/King Size Bed Frame Metal Slats Support Platform | eBay
ZINUS Night Therapy Quick Assembly Smart Box Spring - Sam's Club