Description:Clever design uses air-pruning effect to encourage a dense and fibrous radial root system.Effectively eliminates root circling around the sides of the pot.Helps to create a root-system that is not poible in conventional pots.High quality PVC lasts for long life time,Shortens nursey growing period,Effective control the root rapid breeding,Enhances the quality of the root systems of plants,Effective control the root rapid breeding,Minimizes the need to transplant,Reduces the situation for over watering.Item details:Name: Plant Roots control propagation PotsMaterial: PVCSize: 7 Size OptionalColor: BlackRole: Increase roots, Control roots, Promote growth.Product use: Make the lateral root thick and short, prevent the formation of root entanglement.Application: Flowers, Fruits, Seedling transplants, Roadside hedges,Tree bonsai.Features: Economic, Anti-corrosion, Durable.Size Specification :( Height x Bottom diameter)1.20cm x 15cm2.20cm x 20cm3.20cm x 30cm4.20cm x 40cm5.30cm x 20cm6.30cm x 30cm7.30cm x 40cmPacking include: 1 Pc x Roots control pots(size as you choose)Features:1. Made of new high-quality PVC material, it is sterile, non-toxic, breathable, cold-resistant, high-temperature resistant, not easy to deform, and has a long life of more than 5 years.2. Save time, effort, and labor, reduce production costs, and can improve production efficiency.3. Easy management proce, high survival rate and fast growth.The total roots are increased by 30-50 times, the survival rate of seedlings is over 98%, the seedling cycle is shortened by half, and the management work after transplanting is reduced by more than 50%.4. No damage to the root when transplanting, no need to cut the plant head, no season restrictions, convenient transportation.Install method:The container is composed of a concave-convex plate with small hole, a bottom and screws.When aembling, the plate with the small hole is outward, the two rows are without hole upward, and the round convex bottom upward, and the preing is placed on the small Holes in the first row and the second row below the wall, and then pre the screw to become a complete container.Notice:The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors.