... NSF,AB1953 standard.Brushed Nickel(BN) Dual Swivel Spout with Pull Out Spray Kitchen Faucet. This commercial-class kitchen faucet is ... ,the total thickness of plating rayer reachs to 12um,with supper corrosion resistance and shining permanently. 4,kitchen faucet ... corrosion test:NSS/ASS 24hours/48hours,corrosion status comply with GB18145-2003 and international standards. 5,function of kitchen ...