【Applicable to】Compatible with Shaver Replacement Heads Series3 3000s 310s 3040s 3050cc 3010s 3070cc 3080s 3090s 350cc-4 370cc-4 380s-4, 3090cc, 320 330 340 360 380s. Replacement shaving head with 3 floating blades, precision tooth comb technology and bionic mesh design can bring you a more comfortable, efficient and enjoyable shaving experience. 【Excellent Features】The S3 razor replacement heads are made of high-quality materials, with good water resistance and rust resistance, easy to remove and clean after shaving. 【Lifetime】According to laboratory data, it is recommended to replace Foil &Cutter every 12 to 15 months to reduce the decline in shaving performance. 【Included】We try to use simple but effective packaging to protect a pair of built-in cutting heads and avoid wasting paper due to overpackaging.