1. It is stainless steel stand outside frame, the inside pvc digester tank is an integrated system for both fermentation and gas storage
2. It is easy to install, rain-proof, after installtion, you can put fermentation materials by man power or use pump to pump into digester3. It don't need people clean it after run on it. No heavy construction work to do
4.The life span of inner soft bag and heat insulation membrane is more than 10 years, and also can replace if them broken.
5. Packed in carton box, save shipping fee
6. Better performance than others, high quality than others, better afterservice because we are manufacturer, not trade company like others
Output: Biogas and Clean natural liquid fertilizer