Head to head

EHEIM universal 300 vs EHEIM compactON 2100

Our pick

EHEIM universal 300

For plumbing the pump in line, outside the water

Choose the universal 300 for a modest flow external return with a short lift. Consider the compactON 2100 when you also want manual flow adjustment outside the water.¹²³⁴

Product photographs. Not to scale.

EHEIM compactON 2100: flow rate 2,100 l/h.⁵

2 models / at a glance

Flow rate · l/h300 l/h²Higher preferred ↑

Flow rate · l/h2,100 l/h⁵Higher preferred ↑

Specification	EHEIM universal 300	EHEIM compactON 2100
Flow rate	300 l/h²	2,100 l/h⁵