Feature: 1. QUIET CHILLER: This water tank chiller has built in silent fan that operates at a low noise level of 30\u201135 decibels. Provide a peaceful pleasant environment for you hydroponic pets. 2. WITH PUMP: This chiller is equipped with erosion resistance pump, suitable freshwater saltwater. It can maintain the temperature within a certain range to provide suitable survival temperature for hydroponic pets. 3. EFFICIENT COOLING: The aquarium chiller adopts R134A, which has a faster cooling speed no pollution. Porous design ensures excellent heat dissipation efficiency without affecting your daily life. 4. APPLICABLE RANGE: Suitable for home breeding or small aquarium tank with a capacity of less than 20L, including freshwater tanks, hydroponic plants, shrimp, corals, salamers, jellyfish, fish tanks. 5. WORKING PARAMETERS: The water tank chiller is single cooling type, suitable for a water flow rate of 1\u20113L\/min, suitable for pipe with an inner diameter of 8mm, suitable for a head of less than 3 meters. Specification: Item Type: Water Cooling System Model: XD-20 Material: Iron Power: 70W Flow Rate: 1-3L\/min Applicable Water Tube: Approx. 8mm \/ 0.31in Inner Diameter Water Tube Applicable Lift: Below 3 meter \/ 9.8ft Applicable Water Tank: \u226420L Type: Single Cooling. Package List: 1 x Water Chiller 1 x Power Adapter 1 x Plug 1 x Water Pipe 2 x Check Valves 4 x Clamps 1 x Temperature Display Screen Note: Place the chiller in a well ventilated environment (with at least 6 feet of surrounding space) to ensure better heat dissipation cooling.