Central Gas Tanks Currently available of 4000 liters Quantity 2 Model 2008 Quantity 1 Model 2009 Quantity 1 Model 2013 Quantity 1 Model 2014 Quantity 1 Model 2015 Quantity 1 Model 2016 Quantity 1 Model 2019 .................................................. 2000 Liter Tanks Quantity 2 Model 2009 Quantity 3 Model 2012 Quantity 3 Model 2016 Quantity 2 Model 2019 Quantity 2 Model 2021 ................................................... 1000 Liter Tanks Quantity 1 Model 2013 Quantity 1 Model 2016