• W22-28-4 BAOF | W22284BAOF• Inner dimension: 22, Outer dimension: 28, Width: 4, Weight: 0,01, Version: Rubber coating, Pressure resistance: Up to 0.5 bar max., Dust lip/Protective lip: Without, Material: NBR (Perbunan), Temperature range: -30 to +100 °C, Tension spring: Without