Air Stone for Aquarium Hydroponics Fish Pond for Tank Air Pump Bubbler Diffuser with Suction Cup Adjustable Bubble Dense

Increase oxygen levels, lower CO2 and raise PH, creates water currents. Durable, reusable and washable. Includes a strong suction cup. Air Stone for Aquarium Hydroponics Fish Pond for Tank Air Pump Bubbler Diffuser with Suction Cup Adjustable Bubble Dense. Features: brand new and high quality. Increase oxygen levels, lower CO2 and raise PH, creates water currents. Durable, reusable and washable. Includes a strong suction cup. Rotary design to control the size of bubbles. It is an important accessory to successfully keep aquatic fish for respiration process. Creates bubbles in fish for tank while attached to an air pump air pump and air tube is not included). Specifications: Material: Plastic. Color: Black. Size Approx. Disc Diameter 3cm/1.18in, Total Length 5cm/1.97in. Weight: Approx. 30g. Package Includes: 2 Pieces Aquarium Air Bubble Discs with Suction Cups. note: 1. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2. Due to the differ