Features: Experience whispers quiet oxygenation with this quiet adjustable aquariums air pumps, featuring advanced noise reduction technology for peaceful homes or office aquariums up to 200 gallons. Crafted with durability, corrosions resistant plastic housing and an energies efficient motor, this fish tanks pumps delivers customizable airflows control while reducing power consumption by 30% compared to traditional models. Ideal for both novice aquarists and professional breeders seeking reliability aeration solution for freshwater or marine habitats in residential and commercial settings. Operates discreetly in bedrooms, living rooms, or workplace environments, maintaining optimal oxygen levels for bettas tanks, shrimp colonies, and large ecosystem without disturbing. The simple assembly systems and interfaces ensures quick setups and precise oxygen levels adjustments, maintaining optimal water circulations for healthy ecosystem year round. Specifications: Color:Four Choices Component:plastomer Package Includes: 1Set Aquariums Air Pumps note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.