28 Inch Air Oxygen Stone Cylinder for Hydroponic Ponds Aquarium Air Pump Pitching Machines Specification: Material: Plastic Size Chart:

Specification: Material: Plastic Size Chart: Folded Size: 37

6 stations

1 piece of micro USB to type-c cable

The patterns are clear and exquisite

2 Piece Easy Wheel

28 Inch Air Oxygen Stone Cylinder for Hydroponic Ponds Aquarium Air Pump Pitching Machines Specification: Material: Plastic Size Chart:ITEM NAME: 28 Inch Air Oxygen Stone Cylinder for Hydroponic Ponds Aquarium Air Pump img *{margin: 0; padding: 0;. Fit for freshwater, saltwater aquarium and hydroponic use. Widely used to increase the dissolved oxygen level in the aquarium. Evenly distributes fine bubbles through a non clogging wand, increase the amount of dissolved oxygen in water.