The Brizo Siderna Collection combines geometric designs with flowing curves and squared edges. Siderna captures the merging of all these concepts and creates products that are very appealing. This RP74640BL Siderna Kitchen Escutcheon is a replacement part for kitchen faucets in the Siderna Collection. The Escutcheon is covered under Brizo's limited lifetime warranty. The Matte Black finish also includes a superior finishing process that is covered under lifetime warranty.