Ideal for high pressure system such as aeroponic and drip. Best quality on the market, 125 PSI rated. Specifications Tube: Smooth, black high-quality PVC Reinforcement: Spiraled synthetic yarn Cover: Smooth, bright yellow, abrasion and weather resistant, high quality PVC Temperature range: -5°C (23°F) to 65°C (149°F) 1" ID x 1.28" OD Weight: 0.32lbs/ft