THEOCORATE Box Spring King, 5 Inch King Size Box Spring, Heavy Duty Metal Steel Structure, Mattress Foundation with Cover, Quite, Non-Slip, Simple Setup : Amazon.co.uk: Home & Kitchen
Zinus 4 in. Profile Queen White Metal Box Spring, No Assembly HD-BIFD-4Q - The Home Depot
Box Spring Cover, Thick & Opaque, Sleek Alternative for Bed Skirts, Wrap Around Elastic, Queen, White : Amazon.co.uk: Sports & Outdoors
Glance 4.5-in Standard Profile Queen in the Box Springs department at Lowes.com
Box Springs at Lowes.com
ZINUS 9 Inch Metal Smart Box Spring with Quick Assembly / Mattress Foundation / Strong Metal Frame / Easy Assembly, Twin : Amazon.co.uk: Home & Kitchen
Wayton, 8" Split Sturdy Fully Assembled Wood Box Spring for Mattress, Queen, White - Walmart.com