PREMIUM MATERIALS: The faucet cartridges are made of high-quality brass and ceramic, durable and rust-proof for long-term use. WIDE RANGE OF USES: Suitable for basin faucets in bathrooms, kitchens, and other areas. Compatible with both hot and cold water systems. EASY TO INSTALL: Requires only a screwdriver and wrench for installation. Simple to operate with smooth turning action and drip-free performance. SIMPLE OPERATION: Turn the tap clockwise for cold water (blue) and counterclockwise for hot water (red). WIDE RANGE OF APPLICATIONS: Our ceramic disc cartridges are designed for use with double-handle kitchen and bathroom vanity faucets. PACKAGING INFORMATION: Includes 2 ceramic faucet valves (1 blue and 1 red). GOOD SEALING PERFORMANCE: Effectively prevents leaks, eliminating the need for faucet replacement. DURABLE CONSTRUCTION: Made of high-quality brass and ceramic, these quarter-turn faucet cartridges are built to withstand high temperatures and provide long-lasting performance. COLOR-CODED O-RINGS: Red and blue O-rings at the base of the cartridge for easy identification and simplified installation. COMPATIBILITY: Fits most standard faucets. Please verify dimensions on the specification chart before purchase to ensure proper fit. COMPLETE KIT: Includes two ceramic faucet valves (1 blue and 1 red), suitable for single or double handle faucets in bathrooms, kitchens, and other applications. Suitable for both hot and cold water systems.