Package Contents: 3 pieces of stainless steel filter tap in size 20mm, 3 sealing rubber rings. Safe to Use: Chrome plated brass shell, plastic interior & rubber ring pad. Durable, wear-resistant, excellent anti-rust antifouling properties. Water Saver Spout Filter: Use these mesh tap filter heads to prevent water spraying out all, have good ventilated jet quality even under difficult flow conditions, reduce faucet noise, save water usage by as much as 30 percent. Easy to Install: Our faucet aerators for the kitchen are easy to install and remove, you can fix or install the tap aerator with a wrench, included gaskets to prevent water leaks. You can easily remove the tap filter head anytime for clean. Widely Used: Suitable for kitchen sink faucet or bathroom sink faucet, which is conducive to water-saving and filtering water.