1. Efficient composting Turn kitchen scraps and garden refuse into rich compost with ease, minimizing landfill contributions while encouraging sustainable gardening practices. 2. Size options Available in sizes of 75mm, 160mm, and 200mm, this composter can be used to fit diverse raised bed configurations for gardening efficiency. 3. Underground design Its underground placement conserves valuable space and utilizes natural soil conditions to facilitate an effective composting process that enhances output quality. 4. Pond drainage filter This product also functions as a pond drainage filter that ensures clean water circulation while managing organic waste effectively. Use scenarios In a compact urban garden with raised beds, the underground design keeps surface areas clear while producing compost to enrich soil and improve bed yields. For a home pond or water feature, the unit's pond drainage filter function helps maintain clean water circulation and reduces organic buildup, supporting healthier aquatic life. When configuring multiple raised beds of different sizes, select from 75mm, 160mm, or 200mm to fit bed dimensions and optimize composting throughput and space utilization.