China Factory Hot Sale Household Mini Biogas Digester 4m³
High-efficiency 4m³ capacity design for continuous biogas production from kitchen waste or animal manure. Durable PP material with UV resistance ensures long-term outdoor use. Precision-welded seams and airtight valves prevent gas leakage. Compact structure fits small yards or farms. Converts organic waste into clean fuel for cooking, heating, or lighting—ideal for off-grid homes. Includes easy-install inlet/outlet pipes and pressure gauges. Low-maintenance with corrosion-resistant steel frame. Wholesale price for bulk orders—direct factory supply guarantees unbeatable value. Customizable for larger projects. Sustainable energy solution with fast ROI.