Fluval “M” series premium submersible aquarium heaters are quality manufactured in Europe using superior components and construction. These include the heat and shock resistant borosilicate reflective glass tube, heatresistant techno-polymer conductor harness, high temperature resistant heating element, silver nickel contact points, machine assembled thermostatic blade, computer calibrated thermostat and 16 point qualityassurance program. Fluval heaters can be trusted for exceptional performance and unsurpassed reliability. Available models sold in store : • 50 W, for tanks up to 50 L (15 gal US) 49,99$ •100 W, for tanks up to 100 L (30 gal US) 49,99$ •150 W, for tanks up to 150 L (45 gal US) 54,99$ •200 W, for tanks up to 200 L (65 gal US) 59,99$ •300 W, for tanks up to 300 L (80 gal US) 59,99$