The Seagull®IV X-1F The Seagull IV X-1F system is a truly unique, compact, point-of-use appliance designed to change virtually any treatable non-salt water into delicious drinking water that is both safe and enjoyable to consume. Because the Seagull IV X-1F unit was developed with aircraft, yachting and recreational vehicle applications in mind, it is especially rugged, dependable, simple, and easily serviced. It requires no addition of chemicals and no electricity. The Seagull IV X-1F is a chemical free drinking water purification system. All Seagull IV purifiers are certified to meet US EPA Guide Standard for Microbiological "Purification" for the removal of bacteria, pathogenic cysts and virus. Nature Pure Certified to meet EPA Standard for Microbiological Purifiers against Bacteria, Cysts and Viruses. Employs the proven “Structured Matrix” technology”. No bacteria growth in the cartridge. Adds a whole new angle to drinking water for RV and boat owners. Most fill water tanks at a marina or fuelling berth using mains water which has undergone a primary treatment usually chlorine. It may not be safe to drink if stored for a long period of time. Enjoy your holiday experience by using a purifier such as Nature Pure. *not a desalination unit. Seagull  IV X-2KF Certified to meet EPA Standard for Microbiological Purifiers against Bacteria, Cysts and Viruses. Employs the proven “Structured Matrix” technology” No bacteria growth in the cartridge and made from marine grade stainless steel with lead-free faucets and ports The X-2KF has an extra direct connect port enabling cafes, restaurants to connect coffee machines, ice machines and also have the stunning Espirit Faucet to supply clientele and staff with the purest drinking water available. The Espirit Faucet is sleek and slim & includes lifetime ceramic disk valving, lead free materials and a thermoplastic tip to minimise scale build-up in hard water areas. *not a desalination unit. Seagull  IV X-1D Ideal for apartments, condominiums or rental properties. Certified to meet EPA Standard for Microbiological Purifiers against Bacteria, Cysts and Viruses. Employs the proven “Structured Matrix” technology” No bacteria growth in the cartridge and made from compact 300 series stainless steel with lead-free faucets and ports The X-1D is easy to install, easy to use. Simply remove aerator from standard sink faucet and connect diverter valve. The position control diverter valve permits flow volume control from main faucet – slow for washing fruits and vegetables, medium for filling a glass and high for filling pitchers and pots. Attractive “Quick Disconnect” fitting provides swivel movement of the connector hose, routed at right angles for easy positioning and less clutter. *not a desalination unit. Residential and Commercial – Don’t confuse this Purifier with a filter!