Widely applicable: 270 pieces of rubber O-rings in different sizes for most car air conditioners, and also suitable for doors, windows, electrical appliances, warehouses, water pumps, scooters, household appliances, etc. High quality material: The rubber seal is made of high quality rubber (hydrogenated nitrile rubber) resistant to oil, gas, water, alcohol solvents, high temperature and pressure. Strong sealing: the complete seal of the air conditioner is elastic, and the good sealing effect effectively prevents the air conditioner compressor from leaking Plastic box: All seals are equipped with a transparent plastic shell and are located in a small mesh space for easy transportation, selection and collection. Directly replace, no need to change. Note: For detailed product parameters, please refer to the instructions. Please confirm whether the product is suitable for your equipment before ordering.