The Kohler GP77006-RP Ceramic Cartridge is a single faucet valve made of brass in a brushed brass finish. It is designed specifically for a two-handle faucet, rotating counter-clockwise for cold water. This high-quality product is manufactured in the United States by Kohler, a reputable brand known for its durable and reliable plumbing fixtures. The cartridge is sold individually and is suitable for various plumbing and home improvement projects, providing a long-lasting solution for your faucet needs.