Crafted from durable carborundum, this 200mm x 27mm Air Stone delivers an impressive gas output of 28L/min, ideal for enriching oxygen levels in both ponds and aquariums. Designed for optimal compatibility with a 8mm airline, this Air Stone enhances your filtration setup by evenly dispersing oxygen throughout the water, supporting healthy fish and plants. Its robust material ensures long-lasting performance, making it a reliable addition to any aquatic environment.