Seagull IV X-1 - 3.8 Litre Flow Rate Recommended for residential use. Seagul IV drinking water purification systems, like all General Ecology products, are ecologically friendly and are designed to make your water safe, convenient and delicious. These space saving systems work without chemicals, electricity or hold time and they produce no waste water. All models feature our "Structured Matrix" technology which removes all three classes of contaminants: microbiological, chemical and aesthetic. No chemicals hold time, electricity, double processing, large storage tanks or waste-water production NEW "LTF" lifetime finish Series. Our newest innovation, designed with the strength and endurance of our original Seagull IV X-1 unit combined with modern, lead-free materials, including NEW "LTF" lifetime finish on all ports."LTF" finish resists corrosive cleansers, harsh elements and the "wear-and-tear" of a well-loved kitchen for a lifetime beautiful shine. Seagull IV X-1F is truly a water purifier based on over 27 years of water purification technology. This item is ideal for full time narrow boat users (live aboard) or for extended periods and / or high volume usage on boats. Flow Rate: 3.8 litres per minute AVG Capacity:3800 litres Cartridge type: RS1-SG (Structured Matrix) Particle Retention Rating: 0.1 Micron Nominal (0.4 absolute) Pressure Vessel Construction: Stainless Steel Working Pressure: 25-100 PSI Working Temprature: 0.5 oC - 38 Oc Seagull IV X-1B - Without Faucet ... £250.00 Seagull IV X-1F - Including Faucet ... £290.00