Solar pond ventilator Duo Air with two outlets The Duo Air solar pond ventilator is ideal for improving the water quality in garten ponds. In the sun it provides the water with enough oxygen so that the fish can survive and the water is continually circulated. Thanks to the two outlets, the two sources can be positioned independently of one another. The solar module can be turned via the ball-and-socket joint to face the sun and inserted into the ground with the ground spike. Technical data: Solar module: - Performance: 2.5 Wp - Nominal voltage:5.76 V - Nominal current:434 mA - Dimensions (L x W x H):220 x 135 x 20 mm - IP code IP64 - Protection class 3 - Weight: 440 g Air pump: - Max.air volume:90 l/h (in full sunlight) - Cable length of the air pump 3 m - Dimensions (L x W x H):243 x 205 x 111 mm - Length of the hose: 2 x 2 m - IP code IP44. - Protection class 3 - Weight: 270 g - Stone: Ø 30 mm - Recommended pond size 500 to 2,000 l Please note: protect the pump against frost, do not