Neoperl 11 9110 5 Cache Plastic Clip with 4 Keys, 1 of Each Size Key

The Cache Hidden Aerator Keys are for easy removal and installation of a hidden aerator in specially designed faucets. Comes with four different four colors coded keys on convenient key ring. Key sizes are for hidden aerators that are M24x1, M21.5x1, M18.5x1 and M16.5x1.

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