Reddit reviews Neoperl 11 9110 5 Cache Plastic Clip with 4 Keys, 1 of Each Size Key
We found 1 Reddit comments about Neoperl 11 9110 5 Cache Plastic Clip with 4 Keys, 1 of Each Size Key. Here are the top ones, ranked by their Reddit score.
Plastic Clip4 Keys1 of each size key
Depending on the brand, if purchased new, there should have been one included in the carton with the faucet. But then again you wouldn't have posted here if it were in your possession.
Neoperl has a 4-key kit, designed to fit most concealed aerators, available through Amazon: Neoperl 11 9110 5 Cache Plastic Clip with 4 Keys
Of course, you could always contact the manufacturer if you know the brand of the faucet.