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 picture 3.size:2.5*2.5*4cm,3.6*3.6*4cm,5*5*5cm,10*10*6.5cm Package include:1pc Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.