Fesco Best Stainless Brushed Nickel Two Handle Centerset Bathroom Faucet,Brushed Nickel Sink Faucet Without Drain and Water lines

Looks great but leaking after installed

I am a little bit of of upset that all the parts were not there,other then that the faucet has been put in the bathroom and it look nice,there was no stopper that should have been in the box,my contractor had to make a special trip to get the stopper for the faucet.Thank youAB