Why choose the combined brush-and-ring manager?

Choose the combined version when the cable genuinely needs both operations in the same 1U: passing between front and rear, then immediately joining a controlled horizontal route across the rack.

The brush openings sit between adjacent rings specifically so that turn is short and natural.

Its advantage is therefore integration, not simply that it contains more parts.

If you require only horizontal organisation or only a pass-through, the dedicated version avoids an unnecessary little procession of hardware.