I need to replace the thing at the end of the faucet. Not sure of the name, could b called a flow restrictor. It causes the water to come out looking aerated with a steady and even flow. Its a small part and contains a plastic piece with very small holes in it, on one side, the other side has a wire mess. I clean these out from time to time as it traps sand and other small particles and changes the flow of the water. I went to about 6 places today and was told at each place I would have to purchase the entire faucet. thanks