... SGS standard 2)Factory for suction bulb 3)OEM of suction bulb )Delivery time: 7 days Small suction bulb Material NBR, NR, EPDM ... sharp edges of drilled or punched holes for wiring, cable, tubing, piping, hoses, air lines, rope and more. Used in appliances ... on material. See Material Performance Data for specific information. Small suction bulb