HAILEA HC SERIES MARINE AQUARIUM SERIES Hailea HC chillers have strong metal chassis with a housing of contemporary design,ensuring the chiller does not look out of place in any surroundings and as with other cooling units,our chillers-the HC series use the environmental friendly refrigerant R134a. Lower noise design,whilst the digital temperature ontroller ensures that the selected temperature is maintained. The rate of flow is decided according to the max jet of the pump(immersible power filter) and the circulation equipment. These top quality chillers are made on the same assembly line as your AQUA-MEDIC and use the same internals. In White Only Model: HC-300A Power: 1/4HP Voltage: 220~240V Frequency: 50Hz Working Current: 1.8A Water Refrigerated: 100~800L Iced Medium: R134a Rate of Flow: 1000~2500L/H Size: 448×330×440mm **The tank size chart is only a guideline. Factors such as ambient room temperature and the heat load from lighting, pumps, and other accessories need to be considered when sizing a chiller. When the tank size is close to the maximum range it is best to advance to the next size chiller.