From Amazon site where purchased in 2017:
"ZINUS SmartBase Euro Slats Mattress Foundation / 14 Inch Metal Platform Bed Frame / No Box Spring Needed / Sturdy Steel & Wood Frame / Underbed Storage, Twin"
We purchased for our son who moved out of the dorms, was only used for 2 years. Excellent condition.
https://www.amazon.com/gp/product/B00M169YVC/ref=ppx_yo_dt_b_asin_title_o09...