GWS PROQ2 Alkaline Reverse Osmosis System Under Sink, 5 Stage RO w/ Brushed Nickel Faucet and RO Tank, pH+ Alkaline Water Filter for Essential Minerals, Quick Change Water Filter for Sink, 50GPD< Safe Drinking Water > PROQ2 RO system verified to remove thousands of harmful contaminants that commonly appear in tap water like chlorine, fluoride, lead, arsenic and more. 50 GPD RO membrane ensures fast water flow, so you have access to pure water immediately.? < PH+ Alkaline Water > The ceramic balls in the 5th stage filter quickly releases the necessary minerals for the human body. The GAC carbon filter removes bad tastes and odors. Enjoy the