Delta Faucet RP18454 2.2 GPM Aerator， Chrome<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For use with Neo Style lavatory faucets</li><li>55/64 in. - 27 female thread</li><li>For technical assistance， contact 1.800.345.DELTA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51dNQH3IDHL.jpg" noproxy>