Features - Power-adjustable pond aeration pump featuring 4 outputs - Output: 12 watt/min./max. air flow rate: 450 - 900 l/h/connection cable 5 m - Delivery scope: 4 x 10 m hose, 4 x backstop valves, 3 x aeration stones (à 25 x 4 mm) and 1 x aeration stone (à 50 x 4 mm) - The effective oxygen supply significantly improves the living conditions of fish in the pond. - Ensures oxygen enrichment and prevents the pond from freezing Product DescriptionPower-adjustable pond aeration pump for mains connection in interior settings featuring 4 outputs: The effective oxygen supply significantly improves the living conditions of fish in the pond. Delivery including extensive connection accessories: 4 x 10 m aeration hoses, 4 backstop valves, 3 aeration stones à 2.5 cm, and one aeration ball à 5 cm.