Kraus KEF-15500BN Virtus Single Lever Vessel Bathroom Faucet Brushed Nickel Solid Brass construction for maximum durability Single lever design for effortless flow control Kerox ceramic cartridge (Testedwith500,000 cycles) High performance/low flow soft-touch neoperl aerator resists calcium build-up (on select models) Durable triple-plated finish is corrosion & rust-resistant Solid Brass Construction for Maximum Durability Single Lever Design for Effortless Flow Control Kerox Ceramic Cartridge (tested w/ 500,000 cycles) High Performance / Low Flow Soft-Touch Adjustable Neoperl Aerator Resists Calcium Build-Up (on Select Models) Durable Triple-Plated Finish is Corrosion & Rust-Resistant