🐠Small Pond Aerators for Outdoor Ponds - Up to 1,500 Gallons, effectively oxygenates ponds, improving water quality and clarity for healthier fish and plants..🐠Adjustable Pond Air Pump - Adjustable airflow through top adjustable knob. Power 5 watts, 0.35CFM (158.5GPH), air pressure 4.35PSI (0.029Mpa). Effectively oxygenates ponds, creating a more stable environment for your fish and plants..🐠Super Silent & Durable - Thick ABS dual enclosure and built-in rubber feet minimize noise and vibration, improve stability, and don't distract you from your beautiful surroundings (30-40 dB). This pond aerator pump with vulcanized diaphragm for greater durability..🐠Various Uses - Use as a pond de-icer in the winter to keep a hole in the pond ice for your Koi to breathe through. The koi pond aerator can also be used in large aquariums, fish tanks or Hydroponic Systems..🐠Complete Aeration Kit: Widitn pond aeration system comes with everything you need, including 2 x 20ft vinyl airline tubing,2x air stones ,2x check valves, 2x air filter pads, 1 x 5ft power line. NOTE: This pond aerator is not waterproof, please take care to keep it dry when using it outdoors.