The Hailea ASC-100 is a compact low profile air diffuser ideal for pond, aquarium, and hydroponic aeration needs. This microporous ceramic airstone measures 4″ in diameter by 3/4″ thick. The airstone is weighted for easy installation and is compatible with standard 3/16″ or 3/8″ airline. The Hailea ASC-100 is easy to clean, low maintenance, and provides a fine bubble consistency perfect for hydroponics and promoting aeration in koi ponds and water gardens.








