Do you want to buy a bubble counter for your beloved fish tank? Maybe you can try this Aluminum Alloy & Glass Fish Tank Bubble Counter with Non-return Function. Due to the bubble counter， you can clearly know the volume of carbon-dioxide through the rising air bubbles from the bottom to regulate the carbon-dioxide supply for plants in the fish tank. Additionally， it features a non-return function to prevent the backflow when the pressure changes. It is made of for tough material， so it is durable and reliable. A small thing will make your fish tank different.
Features: 1. Small and compact 2. Easy to install and replace 3. A non-return function to prevent the backflow when the pressure changes 4. Made of for tough material for long-term use
Specifications: 1. Material: Aluminium Alloy & Acrylic 2. Color: Silver 3. Dimensions: (3.46 x 0.87)" / (8.8 x 2.2)cm (L x Dia.)
