This air stone for aquariums is a must-have for any fish tank owner. It helps to maintain optimal oxygen levels in the water, ensuring that your fish remain healthy and active. The fine bubbles it produces also aid in the removal of toxins and impurities, making it essential tool for maintaining a clean and healthy aquarium. Features -Color:Multi -Material:Aggregate, plastic -Size: 48.80X1.80X1.40cm/19.18X0.71X0.55in -Note: suitable for 4mm diameter hose -Highperformance airflow: the efficient air pump delivers a of air, enhancing oxygen levels and promoting a healthy aquatic environment -Simple design: designed to fit a variety of aquarium sizes and styles, allowing you to create a unique and attractive underwater scene -Quiet functioning: operates with minimal noise, ensuring a peaceful and comfortable environment for your fish and other aquatic pets - durability: constructed from sturdy materials, this air stone is built to withstand regular use without breaking or wearing out -Wide application: suitable for various aquariums and fish tanks, suitable for fish keeping, ornamental purposes, and aquatic plant growth Package list: 3 x aquarium air stone