Rectangular Self-Watering Planter for Narrow Balconies

This rectangular planter features a smart self-watering system and a visible water level window, supporting up to a month without manual watering for easy plant care. Its slim design fits perfectly on windowsills and narrow balconies, maximizing planting space. Made from thickened, durable PP material, it withstands sun and cold for long-lasting indoor or outdoor use. Breathable and drainage holes prevent root rot and support healthy growth for vegetables, strawberries, and flowers. The removable inner tray and curved grooves make cleaning and soil changes easy, ideal for urban gardeners seeking low-maintenance solutions.