SUNSUN Internal Filter HQJ Series
This filter comes with 1 filter cartridges so you can use it in small aquariums. The power head is fully submersible to make sure you don’t blow your small fish away in smaller aquariums.
Also comes with an air attachment to aerate the water.
Available in 3 models:
HQJ-500s | 300 L/H | Suitbale for upto 2 feet aquarium
HQJ-700s | 500 L/H | Suitbale for upto 3 feet aquarium
HQJ-900s | 900 L/H | Suitbale for upto 4 feet aquarium