1,Perfect Fit: Restrictor aerators fit M20 mm/0.8in female spouts and are perfect for bathroom or kitchen faucet aerators replacements. 2,Compatible: Faucet flow restrictor compatible for Neoperl, for Delta, for Moen, for Kohler, for American Standard, for Dance and for Groche. 3,Practical Accessory: Cache aerators can reduce the impact of water, and prevent water splashing by generating a lot of bubbles, the filter inside can filter out most impurities. 4,Application: Water tap filter aerator is suitable for homes, hotels, public places and other places. Practical faucet replacement part. 5,Top Material: Faucet aerator is made of ABS plastic, which is durable and sturdy, long service life. Item Type: Faucet Aerators Material: Plastic Specification: M20mm/0.8in Female Thread Installation: Bathroom or Kitchen Type: with Spanner Function: Reduces the impact of water, generates a lot of bubbles and avoids splashing, the filter inside filters out most impurities 4 x Faucet Aerators 1 x Spanner Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store