Moen Oxby Spot Resist Brushed Nickel 4-in centerset 2-handle WaterSense Bathroom Sink Faucet with Drain in the Bathroom Sink Faucets department at Lowes.com
WASOURLF 2PCS Rectangle Square Aerator Bubbler Male Thread Water Saving for Faucet Tap Spout Part Bathroom Kitchen Accessories - AliExpress
Faucet Aerator Square Rectangle Core Part Spout Bubbler Filter for Bathroom Tap | eBay
Aerators in special designs
Aqwaua Faucet Aerator Square Rectangle Core Part Spout Bubbler Filter Accessories For Bathroom Tap Crane Attachment - Aerators - AliExpress