EZ-Clone 35 Hard Cloning Collars are durable inserts for hydroponic and aeroponic cloning systems, ensuring reliable plant propagation success. #672035H #EZ-Clone #HardCloningCollars #PlantPropagation #CloningMachines #HydroponicsTown #HydroponicsFarming https://www.hydroponicstown.com/672035h-ez-clone-35-hard-cloning-collars