How do you remove water restrictor in a peerless kitchen faucet with side sprayer?

To remove the water restrictor from a Peerless kitchen faucet with a side sprayer, first, turn off the water supply and remove the faucet aerator from the spout. Use a pair of pliers or a wrench to gently unscrew the aerator, and you'll find the restrictor inside. Carefully pull out the restrictor using needle-nose pliers, then reassemble the faucet by replacing the aerator. Ensure everything is tightened properly before turning the water supply back on.