Durable & Corrosion-proof Material: Our 5-gallon DWC hydroponic grow system features PP planting buckets that are sturdy, durable, corrosion-proof, and temperature-resistant. Perfect for long-term use without deformation, ideal for plant hydroponics. Top Drip Irrigation System: The DWC hydroponic bucket is equipped with a unique top drip design for precise irrigation, saving water and effort. It allows for easy water replenishment to the roots during the plant growth stage, ensuring optimal water absorption. Powerful Air Pump & Air Stones: The air pump and air stones for deep water culture provide ample oxygen to each bucket via air tubing, ensuring that roots are submerged in nutrient-rich, high-oxygen water for faster and healthier development. User-friendly Design: Our hydroponic bucket includes sealing rings to prevent water leakage. Pre-cut water level tubes of uniform length avoid leaks, and a check valve to prevent backflow, with high-quality valves for better sealing