WAYTON, 8-Inch Split Box Spring/Foundation For Mattress, No Assembly Required, Full Size 74” x 53” x 22” - Walmart.com
The Splitbox - UltraChenTV
Just UltraDavid on Twitter: "Here's my first finished Splitbox! I had the wood laser cut as little puzzle pieces by @Ponoko, then I glued them together & cannibalized an old TE stick
Stairville RJ45 DMX Split Box FX4 – Thomann United States