1. Features: - Premium Material: Our quarter - turn faucet cartridge is made of brass and ceramic, which is sturdy and durable. - Valve insert: The replacement faucet valve has an easy - to - use black rubber locking washer that can seal the faucet and help prevent leakage. - Good sealing: The replacement faucet valve has an easy - to - use black rubber lock washer, which can seal the faucet and help prevent leakage. - Widely Used: Two brass faucets can be used for faucets in bathrooms, kitchens, etc. They can be used for single or double hot and cold faucets. 2. Specification: - Color: Blue, Red - Material: Brass, Ceramic - Height: 85mm (Please check picture for detailed size) - Spline Diameter: 7.6mm - Teeth on Spline: 20 teeth - 3/4" BSP thread - Maximum voltage: 3.5 (KpA) - High service temperature: 90 - Rubber O - ring at the bottom 3. Note: - Please allow 1 - 3cm error due to manual measurement. - Please check the dimensions carefully before ordering to ensure compatibility with your model. 4. Dimensions: There are 20 gears above the valve core. The outer diameter is 7.6mm, the inside diameter is 4mm, the overall length is 82mm, and it has a 3/4" BSP thread with 20 teeth on splines. 5. Durability: Our quarter - turn faucet cartridge is made of brass and ceramic, which is sturdy and durable enough to withstand high temperatures and serve for a long time. 6. Good Sealing: This faucet valve features an easy - to - use black rubber locking washer to seal the faucet, help prevent leakage, and avoid the need to replace the faucet again, which makes your life easier. 7. Color Distinction: Red and blue O - rings at the bottom of the spool make it easy to distinguish and install. Cold water uses a blue - bottom spool, and hot water uses a red - bottom spool. 8. Widely used: Two ceramic faucets can be used for faucets in bathrooms, kitchens, etc. They can be used for single or double hot and cold water faucets. Please check the dimensions in the photo carefully before purchasing to ensure it fits your faucet.