Features: Made with rubber and weighted strips, this aquarium oxygenation ribbon ensures stable air release to increase water oxygen levels. The advanced bubble pattern solves uneven ventilation issues in conventional devices, promoting fish wellness in all aquarium dimensions. Simple installation works with diverse aquarium forms without needing extra equipment. Great for household tanks and pet stores requiring fast setup while delivering consistent results. High grade rubber and weighted parts provide prolonged usage with security against water exposure. Outlasts typical plastic alternatives for cost effective aquarium care. Engineered for reduced sound output during use, maintaining peaceful surroundings. Excellent for peaceful where watching underwater pets should be calming and pleasant. Suitable for both beginner aquarium protectors and experienced fish hobbyists, combining user friendliness with efficient outcomes. Comes in various lengths (75cm/90cm/105cm/120cm) to game different aquarium requirements while improving dissolved oxygen content. Specifications: Component: Rubber Size1: Approx.75cm/29.53inch Size2: Approx.90cm/35.43inch Size3: Approx.105cm/41.34inch Size4: Approx.120cm/47.24inch Quantity: 1 Pc Package Includes: 1 pc Air Stone note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.