Danco seat model No. 18. Hot and cold 10L-1H/C. Durable brass construction. Fits Sterling OEM models: 10-000(N-602), 12-000, 13-000, 105-21, 115-21, 125-21, 135-21. Helps save water and energy. For hot-water and cold-water applications.Includes faucet seat. ID length 10, broach L. Complies with the reduction of lead in drinking water act. Warning: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -