... solar biogas system The product is composed of an anaerobic fermentation tank, a gas storage bag, a gas pump, a solar charger ... 3m3Below lists the main components products of the system: ComponentDescription&specification PUXIN 2.0m3 PORTABLE DIGESTERmade ... flow≥12(70 meter)L/minWeight: 3.3kg Solar charger for Biogas pump Weight: 8kg Biogas Storage ... ,5pcs valve,etc, PUXIN portable solar biogas system