人肉回答：有兩用的水龍頭，多了一個過濾水的出口

Google keyword: "reverse osmosis filter without holes", go to image result, third row second to last picture.  Sometimes you'll have to know what you are looking for before the search. 

 

https://www.kraususa.com/filter-single-handle-commercial-pull-down-kitchen-faucet-in-sfacb.html

所有跟帖： 

• 謝謝 -she3652003- ♀ (0 bytes) () 04/26/2023 postreply 08:42:31

• 這個不錯，可以考慮給自己弄一個，還要買filtration system。省很多麻煩了 -dogmom2019- ♀ (0 bytes) () 04/26/2023 postreply 11:58:05