Use the BrassCraft for your next repair. It is suitable for both DIYers and pros, alike. This is compatible with the Delta Faucets.OEM Delta #RPB251For single lever lav/kitchen and tub/shower applicationsRubberEasy to installFaucet repairDelta cam packing. This product can expose you to one or more chemicals, including Lead, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov