This Vibrant 4 Ply Reinforced Silicone Elbow Connector is a 2.5in I.D. 90 degree elbow connector, made from high-quality silicone and reinforced with four layers of polyester fabric for increased strength and durability. The black finish of the connector is resistant to UV and ozone, ensuring a long-lasting, vibrant look. This elbow connector is ideal for plumbing and cooling applications, and is designed to handle temperatures up to 350°F (177°C). It is also resistant to oil, coolant, and fuel.