GFB, SV50 High Flow Blow off valve HEATING COOLING Bend: 60 degree Inner diameter E36 Bend: 60 degree Inner diameter 1 (mm): 63 mm Inner diameter 2 (mm): 89 mm Inner diameter 1 (inch): 2 1 2 inch Inner diameter 2 (inch): 3 1 2 inch Leg length (see picture): 125 mm Color: Black Wall thickness: 6 mm Temperature range: 40 to +180 degreeC Outer diameter 1: 75 mm Outer diameter 2: 101 mm Reinforcement: 5 layers Material: High quality silicone rubber polyester fabric Bend: 90 ° Inner diameter (mm): 51 mm Inner diameter (inch): 2 ' Leg length (see picture): 170 mm Color: Black Wall thickness: 5 mm Temperature range: 40 to +100 °C Reinforcement: 1 layers Material: Features a high quality nitrile tube Applying pressure to the cloth side can result in the silicone material de laminating from the cloth this design has its limitations