This Delta Cache Kit includes one 1.5 GPM Junior sized economy flow Cache aerator by Neoperl and the key needed to install and service it. This aerator has a thread designed to fit Delta faucets.
The aerator key included in this Delta Cache Kit is designed to install and remove Junior size cache aerators which are size M21.5 x 1. Neoperl model 13 0481 0.
EC Part Number: #66726
Mfg No.: 13 0481 0
Mfg: Neoperl, Inc