High-pressure output for protein skimmers, oxygen reactors and other devices - Delivers a strong air supply where it matters, supporting protein skimmers, oxygen reactors and other aquarium equipment that require high pressure. Compact battery powered operation with a powerful motor - Small footprint, easy to fit in tight spaces, while providing reliable performance with a strong motor powered by batteries. A must have for power outages - Provides essential aeration when mains power is unavailable, helping maintain oxygen levels and keep equipment running. Package contents - 1 x aquarium - 1 x tube - 1 x air stone Practical use scenarios - Power outages: use as a backup aeration source to maintain oxygenation in the aquarium and support connected devices during a blackout. - Portable or quarantine setups: operate without mains power for temporary tanks, transport, or isolation tanks where electrical supply is limited. - Maintenance or high-demand periods: run as a secondary aeration source to ensure continuous air flow while other equipment is serviced or during peak demand.