Faucet Aerator Sizes
Faucet aerators reduce your water flow to help you save water. If you are replacing an old aerator or installing a new one, you need to find the right sized aerator for your faucet. Different faucets have different sized spouts, so each requires a different sized aerator. Click here if you want to learn how to replace a faucet aerator.
Kitchen Faucet Aerators
Large size – 15/16 inch diameter aerator
Medium size – 55/64 inch diameter aerator
Small size - 13/16 inch diameter
Typical kitchen faucets use either a male or female threaded aerator. Male aerators have the threads on the outside, female aerators have threads on the inside.
Bathroom Faucet Aerators
Small – 13/16 inch diameter
Large – 15/16 inch diameter
Bathroom faucets typically use a male or female threaded aerator.
Aerators include a nozzle, a plastic strainer and a rubber compression washer that fits on top of the strainer. View article on how to replace faucet aerators.
Choose a 1.5 gallon per minute aerator for lower water flow, or a 2 gallon per minute aerator for higher water flow. The high flow aerators are ideal for kitchen faucets.