First, does anyone have any experience or knowledge of the quality of Hill ROM low air loss mattress' S as opposed to other brands??

Additionally, could someone please explain the difference between The Synergy & the Flex Care Eclipse mattresses?

The Synergy has both low air loss/alternating pressure yet it is only recommended for (low to moderate risk)

whereas The Flex Care Eclipse is only low air loss, yet it is recommended for moderate to high risk) can anyone explain this.

Thank you in advance