pecifications Of The AC-30 Good Water Machine® Under Sink Water Filtration System Are Designed To Ensure Thorough Water Filtration Our three-part filtration system works to remove what doesn’t belong in your water Tap water passes through a pre-stage filter that screens out sediment and tiny particles that can cause your water to be cloudy. Water passes through an advanced reverse osmosis filtration system to help clear contaminants. Water goes through two post-stage carbon filters to help reduce any particles that can cause your water to taste or smell bad – giving you cleaner, healthier water straight from the faucet. Contaminant Removal The AC-30 water filter can remove Barium, Cadmium, Copper, Hexavalent Chromium, Lead, Radium 226/228, Selenium, TDS, Trivalent Chromium Worry-Free Maintenance Your Culligan Water Expert will handle everything when it comes to your reverse osmosis water system, so you don’t need to worry about installation, filter changes, filter disposal or maintenance. Ideal Design Culligan’s AC-30 Good Water Machine® Under Sink Water Filtration System comes with an elegant faucet that looks great inside every home. You can choose from a chrome, brushed nickel or white finish.