The Delta Commercial offering goes beyond providing exceptional Commercial-grade performance with products that reflect the personality of the individual institution. Delta believes there is a better way to live with water and has developed smart solutions that meet the unique requirements presented by each Commercial environment. Providing individuals with a better way to experience water, while standing up to prolonged, rigorous use. And, all Delta Commercial products are backed by the industry's best 5-year limited warranty. Quiet action, TECK exposed diaphragm flush valve Chloramine resistant diaphragm Forged brass diaphragm retainer Renewable seat Manual Exposed Urinal Flush Valve