Q&A Are the faucet mounts, countertops, and undersink models difficult to attach to the faucet? All of the models that attach to the faucet are designed for easy installation. Faucet Mount and Countertop Models—The faucet mount and countertop models easily attach to the end of the faucet. First, simply remove the aerator from your faucet. Second, determine whether or not you need an adapter (included in package). Third, attach system to your faucet by twisting the mounting nut/diverter valve onto the end of the faucet.
