Features: Made from durable materials, these rubber washers are built to last and provide reliable use. The washer with stainless steel filter mesh, serves as a flows restrictor can reduce the waste of water effectively. Suitable for handheld hoses and some shower head to filter sand and gravels to reduce the possibility of nozzles clogging. It can apply to shower head, tap, tube and other places. Package includes: 10pcs Seal O-Rings Hose Gasket, sufficient quantity for your long-term use. Specifications: Materials: rubber/silicone and stainless steel Style: 1/2inch with 304 mesh rubber black gasket/ 1/2inch silicone gasket with mesh/ 1/2inch rubber gasket with concave mesh Size: As shown in the picture Package Includes: 10pcs Seal O-Rings Hose Gasket note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.