• W65-80-8 B1 | W65808B1• Inner dimension: 65, Outer dimension: 80, Width: 8, Weight: 0,01, Pressure resistance: Up to 0.5 bar max., Material: NBR (Perbunan), Temperature range: -30 to +100 °C, Dust lip/Protective lip: Without, Tension spring: Non-alloy steel, Version: Metal jacketed, closed on one side