https://www.thespruce.com/why-you-need-to-install-faucet-aerators-1821314
有時街上water main shut off / repair 後許多小沙石繡片都進了家裏的管道,要清理一下。
有些 aerator 躲在龍頭嘴裏麵,家裏備一套 aerator keys 很有用:
https://www.homedepot.com/p/NEOPERL-Cache-Hidden-Aerator-Keys-37-0298-98/207143875