Pelican Water PRO-RO Pro 6-Stage Under Countertop Reverse Osmosis Drinking Water Filtration and Purification System Chrome Faucet Dispenser, White Certified to NSF/ANSI 42 and 53 for the reduction of 60+ Contaminates including chlorine, chloramine, lead, cysts, mercury and VOCs. Smaller size makes for convenient dorm & apartment living with the same purification benefits as whole house water filters Easy installation - faucet may be sink or countertop mounted Long lasting filters that are quick & simple to replace with an LED filter life indicator that let's you know when to change filter for easy maintenance Healthier, great tasting water - 90-Day satisfaction guarantee, love it or your money back