Rock Wool Cubes Ventilative Hydroponic Grow Rockwool Cubes Soilless Cultivation

Feature 1.100% brand new and high quality 2.Suitable for garden 3.Made from molten rock spun into cotton candy-like fibers and then compressed into cubes. After high temperature treatment non-toxic and sterile. The bulk density is small the texture is light and the porosity is large. Good air permeability strong water absorption and good drainage. Suitable for the cultivation and colonization of all kinds of plants. Great choice for soilless planting. 1.material：other 2.color：As the pictures shown 3.size：as the picture shows Package include:1pc Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display.