500 Feet 120 Ounce Heavy Professional Durable Clear Flexible Airline Tubing for Aquariums, Terrariums, and Hydroponics - 500 Feet Long- 120 Ounce Sold by Pidaz This professional silicone airline tubing is clear, flexible, and durable! Made for use in aquariums, terrariums, and hydroponics systems Great for use with aquarium ornaments, bubblers, Blue Spotted Air Stone Discs & air stones, and a variety of air driven filters Easily hide and blend into your aquarium, terrarium, or hydroponics system Made of silicone, 500 feet long airline, 120 Ounces Designed to fit all standard outlets, including air pumps, check valves, filtration system, air stones, air flow control levers, and aquarium ornaments.