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The SUNSUN HW-304A External Canister Filter is a powerful and highly efficient filtration system designed for large aquariums. With its robust build and advanced multi-stage filtration, this filter ensures crystal-clear water, making it ideal for both freshwater and marine aquariums. Its external design saves space inside the tank, allowing for a cleaner and more aesthetic aquarium setup. Perfect for tanks up to 150 gallons, the HW-304A is a reliable solution for maintaining a healthy aquatic environment.

The SUNSUN HW-303B External Canister Filter is a powerful and versatile filtration system designed for aquariums up to 100 gallons (approximately 400 liters). This 4-stage filter combines mechanical, chemical, biological, and UV sterilization to ensure crystal-clear water and a healthy aquatic environment for both freshwater and marine tanks.