rubber waterproof grommet Used in automobile electrical appliances Good protective ISO2008 ROSH rubber waterproof grommet 1.material:made in high grade silicone rubber material,environmental safe material,non-toxic.2.it's innocuous and safe,widely used in the instruments and equipments.3.waterproof,dustproof,anti-oil,anti-acid,anti-alkali,can be used in any bad enviroment4.long life and strong ...