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Special Sand Bar for Aquarium Air Pump Fresh Air Stone Bubble Bar Aquarium Fish Tank Aerator Pump Hydroponics

Description:Item type: Special Sand Bar for Aquarium Air PumpSizes: 4inches, 6inches, 8inches, 12inchesInstructions:1. Soak the product in water for 15 minutes before use.2. Long-term use, such as blockage of dirt and reduction of air bubbles, can be...