Pond One Aqua One Maxi Water Pumps are quiet and efficient water pumps for your freshwater or saltwater aquarium. Features Completely submersible. Variable flow control. Quiet and efficient. 1.8m cable. 240v (50Hz). 2 year guarantee. Maxi 101 Max Flow Rate: 400L per hour Max Head Rate: 0.65m. Outlet Size: 9 + 13mm. Pump Size: 5cm x 4.5cm x 6.5cm. Wattage: 6w. Maxi 102 Max Flow Rate: 500L per hour Max Head Rate: 1.05m. Outlet Size: 9 + 13mm. Pump Size: 6.5cm x 4.5cm x 6.5cm. Wattage: 8w. Maxi 103 Max Flow Rate: 1200L per hour Max Head Rate: 1.2m. Outlet Size: 16mm. Pump Size: 8cm x 6cm x 10cm. Wattage: 15w. Maxi 104 Max Flow Rate: 2000L per hour Max Head Rate: 2m. Outlet Size: 19mm. Pump Size: 9.5cm x 7.5cm x 11.5cm. Wattage: 30w. Maxi 105 Max Flow Rate: 2200L per hour Max Head Rate: 2.5m. Outlet Size: 19 + 21mm. Pump Size: 12cm x 8cm x 15.5cm. Wattage: 45w. Maxi 106 Max Flow Rate: 3200L per hour Max Head Rate: 3.5m. Outlet Size: 19 + 21mm. Pump Size: 14cm x 10cm x 17.5cm. Wattage: 80w. Available in 10