This product is manufactered by Benchmarck Scientific under the product number C1005-E-UK.
The vendor states that the 5ml rotor positions accept 5ml centrifuge tubes directly, while 5ml blood and culture tubes (12 x 75mm) are accepted with the included adapters. The microtube positions are designed to accept 0.5ml and 0.2ml tubes with the use of optional adapters. Whether the tubes can be flat-based is not mentioned.
For more information please view this brochure from Benchmark Scientific: https://www.benchmarkscientific.com/wp-content/uploads/2021/01/C1005-MyFuge-5-Brochure-HR-EM.pdf