• W40-72-7 BASL | W40727BASL• Inner dimension: 40, Outer dimension: 72, Width: 7, Weight: 0,005, Pressure resistance: Up to 0.5 bar max., Dust lip/Protective lip: With, Material: NBR (Perbunan), Temperature range: -30 to +100 °C, Tension spring: Non-alloy steel, Version: Rubber coating