- Hygger 50mm air diffuser stone, designed for aquariums and hydroponic systems. - Improves water oxygenation, reduces CO2, and increases pH, promoting the health of fish and plants. - Includes essential accessories: control valve, check valve, suction cups, T-connector, and reducer. - Produces up to 500,000 bubbles per minute thanks to its 180 holes of 100 μm, generating small and uniform bubbles. - Made with high-quality materials (white and brown alumina), resistant to high temperatures and long-lasting. - Quiet operation, ideal for freshwater, saltwater aquariums, and hydroponic use. - Elegant and decorative design, easy to install and clean. - Compatible with air pumps of 2W or more and 4mm tubes. - It is recommended to submerge the stone before first use and clean monthly to maintain performance.