Feature: 1. PRACTICAL: Faucet aerators can ease the impact of water, and prevent water from splashing by generating lots of bubbles, the strainer inside can filter out most impurities. 2. BROAD COMPATIBILITY: Water tap aerators are compatible for Neoperl, for Delta, for Moen, for Kohler, for American Standard, for Dance and for Groche. 3. WIDE APPLICATION: Faucet flow restrictor replacement is suitable for homes, hotels, public facilities and other places. 4. CONVENIENT TO INSTALL: Faucet aerators replacement parts come with a removal spanner to help you remove or install them in a matter of minutes. 5. PREMIUM MATERIAL: Faucet aerator replacement is made of ABS plastic, durable for long lasting use. Suitable for M21.5mm/0.8in female mouth. Specification: Item Type: Faucet Aerators Material: Plastic Weight: Approx. 13g/0.5oz Size: Bottom Diameter: Approx. 1.4in Height: Approx. 1.8in Filter Diameter: Approx. 0.7in Calibre: M21.5mm/0.8in Installation: Bathroom or Kitchen Type: With Spanner Function: Reduces the impact of water, creates a lot of air bubbles, avoids splashing and the filter inside filters out most impurities Application: Faucet replacement part set ideal for replacing old kitchen sink taps, bathroom taps and basin taps to provide clean and clear drinking water, suitable for Neoperl, for Delta, for Moen, for Kohler, for American Standard, for Dance and for Groche.. Package List: 4 x Faucet Aerators1 x Spanner Note: Please allow for some errors in manual measurements.