• W45-72-7 BA | W45727BA• Inner dimension: 45, Outer dimension: 72, Width: 7, Weight: 0,001, Version: Rubber coating, 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