4. The air bubbles is and the dissolved oxygen in water is increased, suitable for using in both fresh water and seawater. Quantity: 1PC Optional Length:4.5inch-24inch 3. The bubble tubes could be extended, double tubes could be easily connected by the connector, so you could connect them into a suitable length to meet the length of your fish tank. Package Weight: Approx.36g 1 x Bubble 2. Easy to install and the air inlet head could be disassembled for easily cleaning, keeping air intake freely. Color: White Item Type: Fish Tank Air Accessory Material: -68 1. Made of high-quality material, , , durable and also friendly. Condition: 5. Can help to extend the life of air motor, energy saving and reduce noise. Aquarium Sea Water Aquarium Care Space Children Greek Tortoise Terrarium Coloring Books Children Coloring Book Christmas Coloring Pad for Children Why Why Coloring Books Girl Watercolor for Kids Coloring Book Princess Animal Picture Book 3. The Bubble Tubes Could Be Extended, Double Tubes Could Be Easily Connected By The Connector, So You Could Connect Them Into A Suitable Length To Meet The Length Of Your Fish Tank. Technology to Children's Book Dinosaur 2 Years Horse Diary Watercolor for Kids I Want A Child Quantity: 1PC Watercolor Block Small Food for Tortoises School of Magical Animals Friends Book Cats Children 5 Years Terrarium Plants Optional Length:4.5inch-24inch Watercolor Coloring Book Aquarium South America Physics Children Coloring Book Girl 6 Years Stuffed Animal 5. Can Help To Extend The Life Of Air Motor, Energy Saving And Reduce Noise. Finger Coloring Book Introverted Children Set up House School of Magical Animals Books Stickers Boys 6 Years Condition: My Big Ocean My Flashing Sound Book Children Employment 9 Years Garbage Disposal Tortoises Forage Plants