Shower heads; Hand-held shower heads; Filtered showerheads; Shower head sprayers; Showerheads and components thereof; Filters for use with showerheads; Spray heads for showers; Faucets; Water-saving faucets; Filters for faucets; Washers for water faucets; Faucet sprayers; Faucet filters; Faucet handles; Filters for use with filtered showerheads; Water filtering apparatus