Review on 5-Piece Faucet Aerator Set - Water Tap Insert Aerators for Bathroom or Kitchen Faucet, Flow Restrictor Replacement Parts, 1.2GPM, 16.5mm/0.65-Inch by Jelani Weaver

This aerator is exactly the same as the original in my Pfister Arkitek faucet. They come in a resealable pouch, which makes them easy to store until the next time you need them. Surprisingly I received 5 plastic extraction tools along with 5 aerators. They are reusable so 1 would suffice. I found it easier to screw them in or out with a fingernail. I couldn't find this smaller 16.5mm in my local big box stores. A helpful note is that this is the size you need, they are a little smaller than a dime in diameter.