Head to head

Fluval U2 vs Fluval U1

Our pick

Fluval U2

Internal Filters

The Fluval U2 supplies filter media and adjustable flow for tanks within its stated 45 to 110 litre range.¹²

Product photographs. Not to scale.

The Fluval U1 gives tanks up to 55 litres an internal filter with adjustable flow control.²³

Specification	Fluval U2	Fluval U1
Largest rated tank	110 l²	55 l²
Flow rate	400 l/h (Environment: 120 V / 60 Hz)²	250 l/h (Environment: 120 V / 60 Hz)²

Specification	Fluval U2	Fluval U1
Power draw	5 W (Environment: 120 V / 60 Hz)²	5 W (Environment: 120 V / 60 Hz)²
Adjustable flow	Yes²	Yes³