Welcome to the store! 1. PRACTICAL: Faucet aerators can reduce the impact of water and prevent water from splashing by generating plenty of bubbles; the screen inside can filter out most impurities. 2. WIDE COMPATIBILITY: Water faucet aerators are compatible with Neoperl, Delta, Moen, Kohler, American Standard, Dance, and Groche. 3. WIDE APPLICATION: Replacement faucet flow restrictors are suitable for homes, hotels, public facilities, and other places. 4. CONVENIENT TO INSTALL: Replacement faucet aerator parts come with a disassembly wrench to help you remove or install them in minutes. 5. PREMIUM MATERIAL: Replacement faucet aerators are made of ABS plastic, durable for long-term use. Suitable for M21.5mm/0.8 inch female mouth. Item Type: Faucet Aerator Material: Plastic Weight: Approx. 13g/0.5oz Size: Bottom diameter: Approx. 1.4 inches Height: Approx. 1.8 inches Filter diameter: Approx. 0.7 inches Caliber: M21.5mm/0.8 inches Installation: Bathroom or Kitchen Type: With Wrench Function: Reduces water impact, creates many bubbles, avoids splashing, and the filter inside filters out most impurities. Application: Faucet aerator set is ideal for replacing old sink faucets, bathroom faucets, and basin faucets to provide clean and clear drinking water, suitable for Neoperl, Delta, Moen, Kohler, American Standard, Dance, and Groche. Includes 4 x Faucet Aerators 1 x Wrench