This Master Plumber cold water cartridge fits the left handle of most Waltec faucets manufactured after 1990. Use this part to repair leaky or worn fixtures in bathrooms, kitchens, or laundry rooms. Most do-it-yourself enthusiasts can install this 1 5/8” faucet cartridge replacement using a few commonly available tools. This kitchen and bath faucet cartridge features corrosion- and wear-resistant brass construction. Carefully machined screw threads secure part of the plumbing fixture handle. Rubber seals prevent leakage, and brass valve components provide precise control of water flow. | Master Plumber Master Plumber Faucet Cartridge – Waltec – Left Hand – 15/8″ W-21K Master Plumber | Faucet Cartridge – Waltec – Left Hand – 15/8″ .