This aquarium airline tubing / Pipe is clear and flexible, made to withstand wear and tear, soft material also resistant to kinking, durable and long-lasting. Connected to the Air / gas stone and connected to the air pump, the bubbles can emerge evenly, the contact area with water is increased and the dissolved oxygen in the aquarium is increased. • PREMIUM MATERIAL - high quality premium material transparent, soft and flexible durable & easy to install • EXELLENT FLOW -resistant, high tensile strength performance. • HIGH QUALITY SOFT MATERIAL: This aquarium airline tubing made from clear and flexible, withstand wear and tear, soft material also resistant to kinking, durable and long lasting. • BOTH FOR SALT AND FRESHWATER: non-toxic material, no harm to your aquarium pets, sturdy and long lasting use, the air line is safe for fresh or salt water environments, perfect for all your fish tank airline needs. • STANDARD DESIGH: the aquarium hose fit all standard outlets, including air pumps, check valves, filtration system, air stones, air flow control levers, and aquarium ornaments.