4. Position the sink under the opening. Hold the sink in place. Affix the mounting clips and tighten to secure, Wipe away excess silicone. PYRUVATE INSTALLATION GUIDE 5.Complete the installation of faucet and drain (not included). This sink has a standard size drain hole and requires a drain with overflow. Run CREAM IC BATH ROOM water through the sink and check for any leaks. UNDER MOUNT SINK Register your product at: RVBO616, RVB0618, RVBO619 PYRUVATE.