Black, Easily hide and blend into your hydroponics system, aquarium, terrarium
Designed to fit all 3/16 standard outlets, including air pumps, check valves, filtration system, air stones, air flow control levers, and aquarium ornaments.
This airline tubing is Black, flexible, reliable, and durable! Made for use in hydroponics systems, aquariums, terrariums!
Safe: the material is non-toxic and harmless for health.
1 Pcs 25 Feet Standard 3/16 inch Airline Tubing Black