RW-4

Power: 10W

Voltage: DC 24V

Max flow (L/h): 4000

Dimensions: 6.1 cm x 8.6 cm

Suitable for aquarium size: Less than 60 cm

Aquarium glass thickness: 0.8 cm 

RW-8

Power: 23W

Voltage: DC 24V

Max flow (L/h): 8000

Dimensions: 7.0 cm x 10.3 cm

Suitable for aquarium size: 60 cm to 100 cm

Aquarium glass thickness: 0.8 cm 

RW-15

Power: 40W

Voltage: DC 24V

Max flow (L/h): 13000

Dimensions: 9.2 cm x 13.0 cm

Suitable for aquarium size: 100 cm to 150 cm

Aquarium glass thickness: 1.5 cm 

RW-20

Power: 60W

Voltage: DC 24V

Max flow (L/h): 20000

Dimensions: 10.0 cm x 13.0 cm

Suitable for aquarium size: 100 cm to 150 cm

Aquarium glass thickness: 1.9 cm