Penn-Plax Aqua-Life Standard Airline Tubing - 3/16 Inch Flexible Airline Hose for Aquarium Pumps, Fish Tank Line for Air Stones & Filters - Safe for Freshwater & Saltwater - 500 ft Long, Clear

As aquarists and fish-keeping hobbyists know, it’s always good to have extra airline tubing on hand. Our Standard 3/16” Airline Tubing offers a great solution for various aquarium airline needs, such as connecting an air pump to an air stone, an under-gravel filter, or an aquarium ornament.Clear, Flexible, and Durable: Made from clear, flexible plastic, our Standard 3/16” Airline Tubing is built to withstand wear and tear. The tubing’s flexibility makes it a breeze to work with. In addition to being resistant to kinking, it’s ultra-durable and should not crack or become brittle. Our tubing fits seamlessly in any home aquarium, and virtually disappears in the water! For better connection to aquarium accessories, soak both ends in warm water for 30 seconds. This will allow the ends to stretch more when connecting with a tight fit.Safe for Fish: Our Standard 3/16” Airline Tubing is made of fish-safe plastic, and can be used for both freshwater and saltwater tanks.Measurements: Length = 500’ Inner Diameter = 4 mm Outer Diameter = 6 mmShop PENN-PLAX for All Your Pet’s Needs: PENN-PLAX is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small.

• Reliable Airflow Connection - This standard airline tubing connects aquarium pumps to air stones, under-gravel filters, and decorative ornaments. A dependable solution for maintaining steady airflow during new setups, system upgrades, or routine tank maintenance.
• Flexible, Easy To Route - Made from clear and flexible plastic, this 3/16 tubing bends smoothly around corners and tight spaces. The flexible build helps reduce cracking, hardening, and kinking, making routing and adjustments easier for hobbyists.
• Clean, Low-Profile Look - The soft clear aquarium hose blends naturally into the water, helping maintain a neat and unobtrusive appearance inside your tank while keeping equipment discreet within your aquascape.
• Precise Size with Trusted Design - Includes one 500 ft roll with a 4 mm inner diameter and 6 mm outer diameter to fit standard aquarium equipment. Suitable for both freshwater and saltwater systems for versatile use.
• Penn-Plax Legacy - With over 60 years of innovation, Penn-Plax creates expertly crafted, dependable pet products designed to enrich habitats, inspire creativity, and promote the health and happiness of pets everywhere