NAP-200 Veldig viktig å skifte eller rense filteret i disse hver mnd . under det blå lokket ligger det ett  fin filter . bio pad juwel medium passe i disse luft pumpene   Aqua Nova pond air pump 200W, 200L/min,aluminium cover 12000lth   Features • Modern compact design. • Simple setup and operation, quick start. • All models come with rubber feet, to avoid vibration. • Very quiet motor operation and reliability. • In box full instructions and setup tips. • Please remember to use a check value or non return value.