Angel Aqua block of 4 air vents stone

The Angel Aqua 4-block air vent stone for pond aeration with the most power. Simply ideal because the air can flow out centrally. The arrangement of the four air vents means that air comes out evenly. We have also included the Asian market leader in air vent stones and air vents in our pond aeration program. Where there are very large qualitative differences between the original Hiblow and other air pumps, this is also the case with pond aeration accessories. Even with minimal pressure, you can achieve perfect results with the air vents in greater koi pond depths. This also protects the membrane of your air pump for pond ventilation and the oxygen uptake of the pond water is enormously improved. These are made very differently than the normal air vents, it starts with the material, goes through higher firing temperatures and then ends with the processing.

 

You can connect this Angel Aqua 4-block air vent stone to a 9 mm air hose for pond ventilation. The whole stone block air vent is simply placed on the pond floor.

Please note that the Angel Aqua 4-block air vents stone for pond ventilation do not flow evenly, but the air moves from one side to the other, depending on the degree of pollution from the air stone.

 

- size 220 mm x 40 mm

- Air hose connection 9 mm

- Air capacity 40 to 70 liters per minute