Aquatop"s Premium Airline is available in a variety of fun and vibrant colors that are ideal for any aquarium use. Made from flexible plasticized PVC, the airline is kink resistant and remains flexible after long periods of use. The 1/8-inch inside diameter (ID) makes it great for use with air pumps, dosing systems, CO" reactors, CO" injectors and more (each sold separately). You"ll love the way your tank pops with this airline! A check valve is recommended for all setups.

• Made with long-lasting, flexible and plasticized PVC
• 11 eye-catching colors for your aquarium equipment
• Suitable for use with air pumps, dosing systems, CO" reactors, CO" injectors and more
• Standard 1/8-inch inside diameter (ID) fits most standard air pump fittings
• Two-millimeter wall thickness helps prevent kinks