Feature: 1. Quiet Operating: The aquarium chiller utilizes cutting edge technology for silent operating, ensuring minimal disruption while effectively maintaining stable cooling for your aquatic environment. 2. Constant Temperature: Equipped with a constant temperature feature, this chiller keeps your fish tank's water temperature consistent, promoting a health environment for your aquatic pets. 3. Compact Design: Designed for easy installation, this aquarium water chiller saves space, and is applicable for a 20L fish tank without compromising performance or functionality. 4. Energy Efficient: This aquarium cooling machine not only provides high efficiency refrigeration but also reduces energy costs, ensuring long term savings on maintenance and power bills. 5. Adjustable Temperature: With adjustable refrigeration effects, this chiller allows you to regulate water temperature according to specific fish species requirements. Specification: Item Type: Aquarium Chiller Material: ABS, Silicone, Metal Power: 70-72w Fit: 8mm(internal) hose Suitable Water Flowrate: 1-3L/min Suitable Lifting Height: Less than 3 meters Suitable Fish Tank Size: 20L Water Pump Power: 3w Lift: 0.4-1.5m Flow Rate: 200L/H Note: The product's cooling effect is 4-7 degrees lower than the ambient temperature. Package List: 1 x Aquarium Chiller 1 x Aquarium Chiller Plug 1 x Cold Water Machine Adapter 1 x Water Pump 1 x Water Pump Plug 1 x Flexible Hose 4 x Fixing Ring 1 x Instruction Manual