Product Description The Delta Single-Handle Valve Cartridge features Diamond seal technology. This cartridge is ideal for single-handle kitchen and lavatory faucets (not included). As part of a company that delivers water every day through millions of faucets worldwide, Delta(R) provides a lifetime limited warranty on all parts to the original consumer. Delta is committed to providing you the best experience with water. Another way that Delta is more than just a faucet. Valve Type: Ceramic valve. From the Manufacturer The Delta Single-Handle Valve Cartridge features Diamond seal technology. This cartridge is ideal for single-handle kitchen and lavatory faucets (not included). As part of a company that delivers water every day through millions of faucets worldwide, Delta(R) provides a lifetime limited warranty on all parts to the original consumer. Delta is committed to providing you the best experience with water. Another way that Delta is more than just a faucet. Compatible with Delta faucets For use with singlehandle kitchen and lavatory faucets not included This is an O.E.M. Authorized part or this is an authorized aftermarket product Oem part RP50587 Faucet and Finish Lifetime Limited Compatible with Delta faucets Faucet and Finish Lifetime Limited Warranty Compliant with California and Vermont lowlead legislation For use with single handle DIAMOND Seal Technology faucets