KOHLER K-1097180 Insert- Aerator, 1.5 GPM, Medium - Faucet Parts And Attachments - Amazon.com
Hibbent Kitchen Faucet Head Replacement, Pull Down Faucet Spray Head, 3 Function Kitchen Faucet Sprayer Nozzle with 9 Adapters Compatible with Moen, American Standard, Delta, Kohler Faucets, Chrome - Walmart.com