Delta Faucet 552LF-LPU Tesla Single Handle Bathroom Faucet Less Pop-Up, Chrome Diamond seal technology features a valve embedded with diamonds to ensure like-new operation for the life of the faucet Includes optional 6-1/8 in. Escutcheon for 3-hole installations Drain assembly sold separately Meets standards set by Americans with disabilities act (ada) 1 or 3-hole 4" installation Metal